Iain Armitage

Top 5000
Up 398 this week
Iain Armitage is an American child actor. He is best known for Young Sheldon (a prequel to the sitcom The Big Bang Theory) and the HBO miniseries Big Little Lies. He also appeared in the films The Glass Castle (2017) and Our Souls at Night (2017). His acting debut was in an episode of Law & Order: Special Victims Unit. See full bio »

Child Stars, Then and Now

Check out some of our favorite child stars from movies and television. See how many you recognize now that they're grown up.

See the gallery

The Best Movies Coming This Summer

Plan your summer of movies with IMDb's Summer Movie Guide, featuring all the best films coming to theaters and streaming this season.

See the full list

On Prime Video

Watch on TV

Young Sheldon
A Broom Closet and Satan's Monopoly Board (S3, Ep2)
Fri, Jul 01 4:00 PM PDT on KDOCDT (1231)
Young Sheldon
A Broom Closet and Satan's Monopoly Board (S3, Ep2)
Fri, Jul 01 4:00 PM PDT on KDOC (019)

Editorial Lists

Related lists from IMDb editors

a list of 30 images
updated 26 Mar 2018
a list of 10 images
updated 27 Dec 2017
a list of 10 images
updated 24 Sep 2017
a list of 8 images
updated 24 Sep 2017
a list of 12 images
updated 19 May 2017

User Lists

Related lists from IMDb users

a list of 32 people
created 2 months ago
a list of 22 people
created 25 Sep 2020
a list of 40 people
created 4 months ago
a list of 27 people
created 9 months ago
a list of 47 images
created 06 Aug 2020

Do you have a demo reel?

Add it to your IMDb page

How Much Have You Seen?

How much of Iain Armitage's work have you seen?

User Polls

9 nominations. See more awards »


Known For

Young Sheldon Sheldon Cooper
Scoob! Young Shaggy
The Glass Castle Youngest Brian
Big Little Lies Ziggy Chapman


Hide Hide Show Show Actor (11 credits)
 2022 Scoob!: Holiday Haunt (post-production)
Shaggy (voice)
 2017-2022 Young Sheldon (TV Series)
Sheldon Cooper
- White Trash, Holy Rollers and Punching People (2022) ... Sheldon Cooper
- Uncle Sheldon and a Hormonal Firecracker (2022) ... Sheldon Cooper
- Babies, Lies and a Resplendent Cannoli (2022) ... Sheldon Cooper
 2022 Show Us Your Pets (TV Series)
 2021 PAW Patrol: The Movie
Chase (voice)
 2020 Scoob!
Young Shaggy (voice)
 2017-2019 Big Little Lies (TV Series)
Ziggy Chapman
- I Want to Know (2019) ... Ziggy Chapman
- The Bad Mother (2019) ... Ziggy Chapman
- Kill Me (2019) ... Ziggy Chapman
- She Knows (2019) ... Ziggy Chapman
- The End of the World (2019) ... Ziggy Chapman
 2018 The Big Bang Theory (TV Series)
Young Sheldon
- The VCR Illumination (2018) ... Young Sheldon
 2017/I I'm Not Here
 2017 Our Souls at Night
 2017 The Glass Castle
Youngest Brian
 2017 Law & Order: Special Victims Unit (TV Series)
Theo Lachere
- Chasing Theo (2017) ... Theo Lachere
Show Show Soundtrack (1 credit)
Show Show Self (41 credits)
Show Show Archive footage (1 credit)

Related Videos


Personal Details

Publicity Listings:

7 Articles | See more »

Alternate Names:

the star of Young Sheldon


5' 2½" (1.59 m)


Armitage, Lee | Euan Morton

Did You Know?


David Bowie and Queen fan. See more »

Star Sign:


Contribute to This Page

Recently Viewed