Iain Armitage

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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 »

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Young Sheldon
Gluons, Guacamole, and the Color Purple (S1, Ep19)
Tue, Jun 28 6:00 AM PDT on NIK (056)
Young Sheldon
A Broken Heart and a Crock Monster (S2, Ep21)
Tue, Jun 28 4:00 PM PDT on KDOC (019)

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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)

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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?


Natural blonde. Had to dye his hair brown for his role of Sheldon. See more »

Star Sign:


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