Isabel Oliver Marcus

Up 1,389 this week
Isabel Oliver Marcus's breakthrough role as Allison on NBC's hit drama "This Is Us" is a classic Hollywood story of sudden success: In less than a week, she went from babysitting her brother to working alongside some of Hollywood's top stars. Although she had been living in Los Angeles for a year prior, Isabel and her mom were both visiting in ... See full bio »

Video: Best New Horror Movies for Halloween

Uncover those eyes and take a peek at some of our most anticipated horror movies, like Halloween Kills, Last Night in Soho, and more.

Watch the video

Upcoming DC Movies and TV Shows

Check out all the upcoming DC superhero movies and series that the IMDb editors can't wait to see.

See the list

Around The Web


Provided by Taboola

On Prime Video

User Lists

Related lists from IMDb users

a list of 218 people
created 07 May 2018
a list of 5955 people
created 22 Oct 2019
a list of 10000 people
created 23 Jun 2019
a list of 337 people
created 15 Jan 2018
a list of 10000 people
created 09 Jun 2019

Do you have a demo reel?

Add it to your IMDb page

How Much Have You Seen?

How much of Isabel Oliver Marcus's work have you seen?

User Polls


Known For

This Is Us Allison Walsh / Red-Headed Teen Girl
Chicken Girls Becky / Becky #1
The Remake Melinda


Hide Hide Show Show Actress (5 credits)
 2019-2020 Fresh Off the Boat (TV Series)
- Commencement (2020) ... Tina
- S'Mothered (2019) ... Tina
- Vice Mommy (2019) ... Tina
- Rancho Contento (2019) ... Tina
- Trentina (2019) ... Tina
 2018 Chicken Girls (TV Series)
Becky / Becky #1
- Footloose (2018) ... Becky
- Rodeo & Juliet (2018) ... Becky
- Bye Bye Birdie (2018) ... Becky
- Wicked (2018) ... Becky
 2017-2018 This Is Us (TV Series)
Allison Walsh / Red-Headed Teen Girl
- Toby (2018) ... Allison Walsh (as Isabel Marcus)
- The Car (2018) ... Allison Walsh (as Isabel Marcus)
- Super Bowl Sunday (2018) ... Allison Walsh (as Isabel Marcus)
- That'll Be the Day (2018) ... Allison Walsh (as Isabel Marcus)
- Clooney (2018) ... Allison Walsh (as Isabel Marcus)
 2017/I Troubled Waters (Short)
 2016 The Remake
Hide Hide Show Show Additional Crew (1 credit)
 2021 The Women's Project (production staff)
Hide Hide Show Show Self (1 credit)
 2018 Good Morning Lala Land (TV Series)
- Monday Motivation (2018) ... Guest

Related Videos


Personal Details

Alternate Names:

Isabel Marcus

Did You Know?


In 2017, Isabel took first place in the Shakespeare competition for the Drama Teachers Association of Southern California, performing one of her monologues entirely in French. See more »

Contribute to This Page

Recently Viewed