Cast and Characters: Netflix’s On My Block

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The following is a character guide for the Netflix program On My Block and their status at the end of the season(s).

Season/ EpisodeSynopsisEpisode InformationTopics & Focused Characters
Season 2, Episode 10 “Chapter Twenty”Like season 1, we’re left on a cliffhanger, but that’s just the icing to a rather gourmet cake.
Director(s) Lauren Iungerich
Writer(s) Lauren Iungerich
Air Date 3/29/2019
  • When The Adults Step In: Oscar, Cesar
  • An Ultimatum: Monse, Cesar, Ruby, Jasmine, Jamal
  • And Then There Was Darkness: Monse, Cesar, Ruby, Jamal
Season 2, Episode 9 “Chapter Nineteen”Cesar does what he believes he has to so that he’ll stay alive, Monse is safe, and the rest of the crew aren’t haunted by Prophet$ for the rest of their lives.
Director(s) Lauren Iungerich
Writer(s) Eddie Gonzalez, Jeremy Haft
Air Date 3/29/2019
Introduced This Episode
Ruben Sr. Eric Neil Gutierrez
  • On The Run Again: Latrelle, Cesar, Oscar
  • You Got To Move On: Ruben Sr., Ruby, Geny
  • Desperate Choices: Oscar, Ruby, Jamal, Cesar, Monse
Season 2, Episode 8 “Chapter Eighteen”Chivo reveals the meaning behind his gnomes and with Latrelle’s return, and the truce over, comes an increased fear of The Prophets.
Director(s) Ryan Shiraki
Writer(s) Adam Starks
Air Date 3/29/2019
  • A New Way To Protect Cesar: Chivo, Jasmine, Monse, Cesar, Ruby, Jamal
  • Money Bunny: Jamal, Jasmine, Monse, Jasmine, Ruby
  • Sometimes You Have To Make A Hard Choice: Cesar, Ruby, Monse
Season 2, Episode 4 “Chapter Fourteen”With Jasmine’s help, Ruby tries to pursue normalcy as Oscar gives Monse an ultimatum.
Director(s) Ryan Shiraki
Writer(s) Christopher Encell
Air Date 3/29/2019
  • You’ve Got Options: Ruby, Jasmine, Monse, Monty, Julia
  • An Ultimatum: Cesar, Monse, Jamal
  • You’ve Got A Friend In Me: Ruby, Jasmine
Season 2, Episode 5 “Chapter Fifteen”Oscar tries to be the saint Ruby expects him to be, until Ruby says something to incite the Santos and Cesar makes a mistake.
Director(s) Jeremy Haft
Writer(s) Eddie Gonzalez, Jeremy Haft
Air Date 3/29/2019
Introduced This Episode
Angelica Kendra Michelle
Rosario Belita Moreno
Paula Maleah Ann Goldberg
  • Someone Has To Worry About Your Health: Jamal, Marisol (Abuelita), Rosario
  • It’s Been A Month: Paula, Cesar, Monse
  • The Return of Ruben – With The Big Mouth: Ruby, Mario, Angelica, Oscar
Season 2, Episode 6 “Chapter Sixteen”Monse’s new life in Brentwood is comfortable, but does she want to stay permanently? Ruby and Jamal, as well as new friends, help her make a decision.
Director(s) Erica Watson
Writer(s) Lauren Iungerich
Air Date 3/29/2019
Introduced This Episode
Sahara Dana Gaier
Jane Brooke Sorenson
  • The End of the Truce: Cesar, Dwayne, Monty
  • M.I.A.M.I: Ruby, Marisol, Jamal
  • The Answer To All Your Problems:Monse, Jamal, Julia, Ruby, Monty, Cesar, Jasmine, Sahara, Jane
Season 2, Episode 7 “Chapter Seventeen”Major and minor secrets are revealed as Amber’s baby shower comes about. Also, an old problem resurfaces.
Director(s) Ryan Shiraki
Writer(s) Sonia Kharkar
Air Date 3/29/2019
  • I Want Her Back: Chivo, Jamal
  • Baby Shower Drama: Mario, Amber, Geny, Ruby, Jasmine, Monse, Cesar
  • Free From The Curse, But Still In Freeridge: Abuelita, Jamal, Cesar
Season 2, Episode 3 “Chapter Thirteen”For those who wondered about Jasmine’s backstory, you have to watch Chapter Thirteen.
Director(s) Ryan Shiraki
Writer(s) Jamie Uyeshiro
Air Date 3/29/2019
  • Reunited & It Feels So Good: Abuelita, Jamal, Cesar
  • Selena: Julia, Monse
  • You Are Your Own Universe: Jasmine, Ruby
Season 2, Episode 1 “Chapter Eleven”It’s New Year’s Eve and months have passed since the tragedy in the season 1 finale. Leading to the question of how is everyone?
Director(s) Lauren Iungerich
Writer(s) Lauren Iungerich
Air Date 3/29/19
Introduced This Episode
Amber Shoshana Bush
  • Mario Has Some News: Amber, Mario, Geny
  • A Party With Very Little To Celebrate: Caesar, Oscar, Monse, Ruby, Jamal, Geny, Abuelita, Monty
  • What Could Have Changed It All: Jamal, Abuelita, Caesar, Ruby, Monse
Season 2, Episode 2 “Chapter Twelve”Ruby and Oscar, of all people, have a heart to heart, as Jamal tries to get his money back – from a cop.
Director(s) Lauren Iungerich
Writer(s) Eddie Gonzalez, Jeremy Haft
Air Date 3/29/19
Introduced This Episode
Office Hamill Brent Werzner
  • Spending The Day With Oscar & Evening With Geny: Oscar, Geny, Ruby, Amber
  • The Money and Explorer Program: Officer Hamill, Jasmine, Cesar, Monse, Jamal
  • Communication Is Key: Monse, Cesar, Jamal, Dwayne, Coach, Jamal’s Mom
Season 1/ Episode 10 “Chapter 10”For the last few recaps I questioned whether the ending was going to be ideal or realistic and, well I got my answer… which ends up being both.
Director(s) Lauren Iungerich
Writer(s) Lauren Iungerich
Air Date 3/16/2018
  • Never Gonna Give You Up: Jamal, Chivo
  • Changing Places: Cesar, Ruby, Monse, Olivia, Jasmine
  • Bittersweet Tragedy: Latrelle, Cesar, Jamal, Ruby, Monse, Olivia
Season 1/ Episode 9 “Chapter 9”The treasures of Rollerworld are finally found and just when Cesar needs them the most.
Director(s) Lauren Iungerich
Writer(s) Eddie Gonzalez, Jeremy Haft
Air Date 3/16/2018
  • In Search of Gold: Cesar, Olivia, Ruby, Monse, Abuelita, Jamal, Latrelle
  • Halves Cannot Revoke Wholes
Season 1/ Episode 8 “Chapter 8”Cesar learns what it will take to keep having precious moments with his brother as Monse takes an opportunity to get to know Julia better.
Director(s) Steven Tsuchida
Writer(s) Eddie Gonzalez, Jeremy Haft, Lauren Iungerich
Air Date 3/16/2018
  • Dress Freakout: Monse, Cesar, Olivia, Abuelita, Ruby
  • In Pursuit of a Better Life: Cesar, Oscar, Jamal, Chivo
  • Is She or Isn’t She?: Monse, Cesar, Julia
Season 1/ Episode 7 “Chapter 7”Ruben continues to prove he is husband material for Olivia, despite her dating Cesar, as abuelita gets Jamal another clue which could lead to the money.
Director(s) Steven Tsuchida
Writer(s) Lauren Iungerich
Air Date 3/16/2018
Characters Introduced
Chivo Emilio Rivera
  • Julia Whitman & The Boy Fresh Out of Prison: Monse, Cesar, Latrelle
  • Cesar Is Just My Placeholder: Ruby, Cesar, Monse, Olivia
  • The Gnome Holds All The Secrets: Jamal, Abuelita
Season 1/ Episode 6 “Chapter 6”With the secret dropped, now comes the question of how to move forward. Though for Jamal, it becomes time to reveal his secret as well.
Director(s) Ryan Shiraki
Writer(s) Adam Starks, Francesca Gailes
Air Date 3/16/2018
Characters Introduced
Jamal’s Mom Raushanah Simmons
Coach Rob Murat
Monty (Monse’s Dad) Reggie Austin
  • I Can’t Live A Lie… Unless You Help Me: Ruby, Jamal, Olivia
  • Nobody Wins When The Family Feuds: Ruby, Jamal, Olivia, Cesar, Monse
  • Ending Things On Top: Jamal, Oscar
Season 1/ Episode 5 “Chapter 5”Just as Monse is finally coming around to wanting to be official, this Olivia kiss could ruin everything. Will she find out and if so, because of who?
Director(s) Ryan Shiraki
Writer(s) Jamie Uyeshiro
Air Date 3/16/2018
  • Secrets Are Deadly: Jamal, Cesar, Ruby
  • My Girlfriends: Jasmine, Olivia, Monse
  • Lockdown: Oscar, Cesar, Olivia, Ruby, Jasmine, Jamal
Season 1/ Episode 4 “Chapter 4”Jamal’s relationship with Abuelita gets him one step further to Rollerwood fortune and with tagging along with Jamal, Monse sees a ghost.
Director(s) Steven Tsuchida
Writer(s) Eddie Gonzalez, Jeremy Haft
Air Date 3/16/2018
Characters Introduced
Rosé Angela E. Gibbs
Julia Lisa Marcos
  • Get You an Abuelita: Jamal, Monse, Ruby, Olivia, Cesar, Abuelita
  • Straight Outta Brentwood: Olivia, Ruby, Cesar, Oscar
  • Can You See Me?: Monse, Cesar, Ruby, Olivia
Season 1/ Episode 3 “Chapter 3”Objectification is the issue of the episode and it ruins Ruby’s chances with Olivia and might be the final straw for Cesar.
Director(s) Steven Tsuchida
Writer(s) Robert Sudduth
Air Date 3/16/18
  • Don’t Worry, Abuelita Believes In You: Jamal, Abuelita
  • I Feel So Objectified: Cesar, Ruby, Monse, Olivia
  • This Isn’t Fun Anymore: Cesar, Ruby, Monse, Olivia, Oscar
Season 1/ Episode 2 “Chapter 2”As a fourth member is added to the squad, Monse has to deal with Cesar manipulating her and Ruby has a date with Oscar.
Director(s) Lauren Iungerich
Writer(s) Lauren Iungerich
Air Date 3/16/2018
Characters Introduced
Olivia Ronni Hawk
Abuelita Peggy Ann Blow
Geny Paula Garces
  • The New Girl In Town: Olivia, Monse, Ruby, Cesar
  • Digging A Deeper Hole: Oscar, Cesar, Monse, Ruby, Jamal
  • Jealous?: Monse, Cesar, Olivia
Season 1/ Episode 1 “Chapter 1”On My Block has an almost Friday vibe to it. It’s comedic yet, with its urban setting and gunshots, you know things can go left in any moment.
Creator(s) Lauren Iungerich, Eddie Gonzalez, Jeremy Haft
Director(s) Lauren Iungerich
Writer(s) Lauren Iungerich, Eddie Gonzalez, Jeremy Haft
Air Date 3/16/2018
Noted Cast
Cesar Diego Tinoco
Monse Sierra Capri
Ruby Jason Genao
Mario Danny Ramirez
Oscar Julio Macias
Dwayne Eme Ikwuakor
Latrelle Jahking Guillory
Jasmine Jessica Marie Garcia
Jamal Brett Gray


Characters Introduced Season 1

Diego Tinoco As Cesar

Cesar (Diego Tinoco) keeping Ruby from getting his ass whooped.
Cesar (Diego Tinoco)

Character Introduction

First Noted In: Season 1/ Episode 1 “Chapter 1”

Cesar is perhaps the only member of his crew who doesn’t think he has much of a future ahead of him. Especially since all he knows is his family’s gang, the 16th Street Santos, which has been led by his family for generations.

Additional Information About Cesar

  • He started dating in 6th grade.
  • Has dreams of being an architect.
    • Junior college to UCLA is the plan.

Season 2

  • Cesar’s birthday is in the spring


Sierra Capri As Monse

Monse's face (Sierra Capri)
Monse (Sierra Capri)

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

With a father who is constantly on the road and a mother who isn’t active in her life, it seems only natural that Monse plans to become a writer. After all, all that alone time means an active imagination. However, what she also plans for is keeping her chosen family, Cesar, Ruby, and Jamal together for they are the only ones she can depend on day in and day out. Not to imply she has a bad relationship with her dad but, plain and simple, he just isn’t physically there for her a lot.

Additional Information About Monse

  • Wants to become a writer
  • It is revealed in season 1, episode 8 that she is 13.
  • Her mom left when she was 2.
  • She was born in 2004.
  • Monse’s name derives from a combination of her mother’s name, Selena, and dad’s name, Monty.


Jason Genao As Ruby (Ruben)

Ruby giving the type of line which should become legendary and often imitated.

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

Ruby comes from a large, working-class family, but with expectations that he’ll become something. In season 1, it is established that Ruby is a feminist, a lover, but still a teenaged guy. Yet, his loyalty and dedication is unrivaled.

Additional Information About Ruby


Danny Ramirez As Mario

Mario (Danny Ramirez) after he had a fight with his girlfriend.
Mario (Danny Ramirez)

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

Mario is Ruby’s older brother who is currently going to state college.

Additional Information About Mario

  • For reasons not noted, Oscar respects Mario.
  • Mario went to Berkeley.


Julio Macias As Oscar

Oscar staring at Ruby.

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

Oscar is Cesar’s older brother, also known as Spooky, and is the leader of the 19th street gang, The Santos. He is also a pedophile, by means of wanting Monse, who is underage and has only been out of jail for roughly 6 weeks.

Additional Information About Oscar

Season 1

  • Oscar already has two strikes against him.
  • He raised Cesar since their mom wasn’t reliable enough to raise his little brother properly.
  • Was locked up at Corcoran.
  • Was spelling bee champ during 7th and 8th grade, and wanted to go to the magnet school in Pasadena with the ultimate goal being becoming a cook.

Season 2

  • It’s revealed Oscar played a role in the truce between the Santos and Prophets.


Eme Ikwuakor As Dwayne

Dwayne (Eme Ikwuakor) hearing Jamal made varsity - which was a lie.
Dwayne (Eme Ikwuakor)

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

Dwayne is Jamal’s dad who was a football legend in high school. However, after an injury, he ended up just opening up a family business – cooking barbecue and relying on Jamal to pick up where he left off.

Additional Information About Dwayne


Jahking Guillory As Latrelle

Latrelle (Jahking Guillory) taking Ruby's money.
Latrelle (Jahking Guillory)

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

Latrelle is a local hoodlum who is part of The Prophets that bullies Ruby, Jamal, and Monse.

Additional Information About Latrelle


Jessica Marie Garcia As Jasmine

Meet your new Joi.

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

The eccentric Jasmine is often ostracized because she is a bit much. Mind you, she is very friendly and sweet, but she is also ghetto in ways Jamal, Monse, and Ruby don’t seem to want to be associated with. Well, unless they are fighting with one another or need one more person for what they are trying to do.

Additional Information About Jasmine

Season 2

  • She comes from a family of cops.
  • Her dad is an Afghanistan veteran and it appears something happened to him which largely leaves him unresponsive.


Brett Gray As Jamal

Jamal flipping off Chivo.

Character Introduction

First Noted In Season 1/ Episode 1 “Chapter 1”

A bit skittish, and definitely not someone you want to tell a secret to, Jamal is the oddball of the group. He believes conspiracy theories, is a bit of a pessimist, and while he can’t keep your secrets, he expects you to keep his. Like him not liking football because he fears CTE, among other things.

Additional Information About Jamal

  • Jamal’s storyline in season one mostly involves around finding the money left behind in RollerWorld.
  • His grandmother lives in Tennessee.
  • Jamal can usually keep secrets, at max, for 9 hours.
  • Is 14 in season 1.

Season 2

  • We learn Jamal’s birthday is August 12th, 2004.

Ronni Hawk As Olivia

Olivia (Ronni Hawk) talking to Ruby.
Olivia (Ronni Hawk)

Character Introduction

First Noted In Season 1/ Episode 2 “Chapter 2”

When Olivia is introduced to us, her parents are recently deported and she is noted as Ruby’s play cousin, by means of his mom. But she becomes much more than that as time goes on.

Additional Information About Olivia

  • She is originally from Houston, TX.


Peggy Ann Blow As Abuelita Marisol

Abuelita noting she feels like a side piece.

Character Introduction

First Noted In Season 1/ Episode 2 “Chapter 2”

Ruby’s grandmother, who he makes it seem is from Mexico, is a dressmaker. Also, despite being Ruby’s grandmother, she ends up closer to Jamal, by the end of the first season, than her grandson.

Additional Information About Abuelita Marisol

  • Has been smoking weed since 1983


Paula Garces As Geny

Geny's (Paula Garces) face after telling Ruby to do something and him give her excuses.
Geny (Paula Garces)

Character Introduction

First Noted In Season 1/ Episode 2 “Chapter 2”

Ruby’s mother who clearly runs the household.

Additional Information About Geny

  • From what it appears, Geny doesn’t work a regular 9-5 schedule.


Angela E. Gibbs As Rosé

Rosé, with a gun, telling Jamal he better come correct for she feels like he is casing her place.

Character Introduction

First Noted In Season 1/ Episode 4 “Chapter 4”

Frankie’s ex, and a former Soul Train dancer who lives in Brentwood, California. She also has a gold record and a #1 to her name.

Additional Information About Rosé

  • She gives Jamal information about Frankie and his friend Benito, who stole the RollerWood money and gives him information about Lil’ Ricky.
    • Frankie, Benito, and Lil’ Ricky started the Freeridge Santos.
    • Frankie was a football player.
    • Lil’ Ricky took Santos from street hustlers to major players.


Lisa Marcos As Julia Whitman (Selena)

Julia (Lisa Marcos) talking to Monse.
Julia (Lisa Marcos)

Character Introduction

First Noted In Season 1/ Episode 4 “Chapter 4”

Julia is Monse’s mom who abandoned her when she was 2 and later on had additional children.

Additional Information About Julia

  • She’s a published author.
    • One of her books is a sci-fi YA novel and the next one is planned to be a memoir.
  • When she originally left, she went to New York.
  • Her children, outside of Monse, are Cooper and Hayden.
  • She lived in Paris for a year.

Season 2

  • It’s revealed in season 2 that she changed her name to Julia from Selena.
  • She has two sisters who she hasn’t spoken to in years.


Raushanah Simmons As Jamal’s Mom

Jamal's Mom (Raushanah Simmons) talking to him after the lockdown.
Jamal’s Mom (Raushanah Simmons)

Character Introduction

First Noted In Season 1/ Episode 6 “Chapter 6”

Like Jamal’s father, Jamal’s mom is a huge sports fan. She also is raising Jamal to be a proper kid. As in, he isn’t allowed to curse in her household.

Additional Information About Jamal’s Mom


Rob Murat As Coach Ron

Coach (Rob Murat) looking bewildered as Ruby harasses him.
Coach (Rob Murat)

Character Introduction

First Noted In Season 1/ Episode 6 “Chapter 6”

The football coach for the Freeridge football team.

Additional Information About Coach


Reggie Austin As Monty

Monse and her father Monty hugging.
Monty (Reggie Austin)

Character Introduction

First Noted In Season 1/ Episode 6 “Chapter 6”

Monty is Monse’s father who has mostly raised her by himself. Which has been hard for him since he is often on the road and thus isn’t physically there for his daughter like he wants. Yet, despite that, Monse knows that is how money comes into the household so while not happy, she doesn’t flip out on him too much about it.

Additional Information About Monty

  • Monty’s father was a Prophet as were many of the people who raised him.


Emilio Rivera As Chivo

Chivo (Emilio Rivera) as Jamal tries to get flowers for Olivia's quince.
Chivo (Emilio Rivera)

Character Introduction

First Noted In Season 1/ Episode 7 “Chapter 7”

Chivo runs Mr. Greenthumb Nursery and is the cousin of Lil’ Ricky. Also, he is someone who has a deep relationship with a gone named Julio. Someone, or rather something, who he had previous issues with due to Julio thinking Chivo stole his woman Juanita.

Additional Information About Chivo

  • Lil’ Ricky helped Chivo start Mr. Greenthumb nursey.
    • We also learn Lil’ Ricky was against violence.

Season 2

  • It’s revealed the names of his gnomes are that of the people who died in his life with Lil’ Ricky not having his own gnome for his spirit lives in all of them.
  • Chivo makes fake IDs on the side.



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