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Iain Armitage (born July 15, 2008) is an American child actor and theater critic. He is best known for his starring roles as Ziggy Chapman in Big Little Lies and as Sheldon Cooper in Young Sheldon.

Iain Armitage
Born (2008-07-15) July 15, 2008 (age 11)[1][2]
ResidenceArlington, Virginia, U.S.
  • Actor
  • theater critic
Years active2014–present
Known forYoung Sheldon
Parent(s)Euan Morton
Lee Armitage
RelativesRichard Lee Armitage (grandfather)



Armitage resides in Arlington, Virginia, and is the son of actor Euan Morton, who was born in Falkirk, Scotland[3], and theater producer Lee Armitage. It was reported that he was named after Sir Ian McKellen.[4] He is the grandson of former United States Deputy Secretary of State Richard Lee Armitage.[5]


Armitage first gained prominence for his YouTube series Iain Loves Theatre where he reviews theater.[5] His videos caught the attention of the theater industry including a couple of agents who wanted to sign him up.[4] During the 2015 Tony Awards, he served as a correspondent for Perez Hilton and was even referenced in the opening number of the show.[4]

In January 2017, Armitage starred in an episode of Law & Order: Special Victims Unit ("Chasing Theo"), playing a young child, Theo Lachere, who has been kidnapped. He appeared in Impractical Jokers "Look Out Below", where he was talked to by Murr in "Who Let The Dogs Out?", in the second challenge of that episode.[6] He played Ziggy Chapman in the HBO miniseries Big Little Lies[5] and he appeared in The Glass Castle, a film adaptation of Jeannette Walls' memoir of the same name.[5] In the same year, he was also part of the films, I'm Not Here and Our Soul at Night,[7] which also starred Jane Fonda and Robert Redford.[8]

In 2017, he was cast as the child version of Sheldon Cooper in Young Sheldon, a prequel to the sitcom The Big Bang Theory.[9][10][11] In November 2018, he appeared in a crossover episode between The Big Bang Theory and Young Sheldon.[12]



Year Title Role Notes
2017 The Glass Castle Young Brian Walls
2017 Our Souls at Night[13] Jamie Moore
2017 I'm Not Here Stevie
2020 Scoob[14] Young Shaggy Rogers (voice) Filming


Year Title Role Notes
2014 Impractical Jokers Himself Episode: "Look Out Below"
2016 Little Big Shots Guest judge Episode: "The Idom of Love"
2017 Law & Order: Special Victims Unit Theo Lachere Episode: "Chasing Theo"
2017–present Big Little Lies Ziggy Chapman Main Role
2017–present Young Sheldon Sheldon Cooper Lead role
2018 Jeopardy! Video Clue giver 6 episodes
2018 The Big Bang Theory Sheldon Cooper Crossover episode between The Big Bang Theory and Young Sheldon


Year Title Role
2014–present Iain Loves Theatre[5] Presenter

Awards and nominationsEdit

Year Award Category Nominee Result Ref.
2018 Gold Derby Awards Breakthrough Performer of the Year Himself Nominated [15]
Young Artist Awards Best Performance in a TV Series - Leading Young Actor Young Sheldon Won [16]
Teen Choice Awards Choice Breakout TV Star Nominated [17]


  1. ^ "Iain Armitage". CBS. Retrieved November 4, 2018. His birthday is July 15.
  2. ^ Estera, Christine (July 16, 2018). "'Young Sheldon' star Iain Armitage on track to becoming a millionaire at age 10". Nine. Retrieved November 4, 2018.
  3. ^ "Young Sheldon star Iain Armitage reveals he's Falkirk fan". The Scottish Sun. March 29, 2019. Retrieved July 2, 2019.
  4. ^ a b c Silver, Jocelyn. "Iain Armitage on 'Mrs. Meryl Streep', David Bowie, and Theater". W Magazine. Retrieved July 2, 2019.
  5. ^ a b c d e Cohen, Alina (February 22, 2017). "The 8-Year-Old Theater Critic Who Stars in HBO's 'Big Little Lies'". The New York Times. Retrieved February 28, 2017.
  6. ^ "'Iain Armitage". IMDb. Retrieved May 23, 2017.
  7. ^ Sumner, Walter (May 30, 2019). "How Much Does Iain Armitage Get Paid to Play Young Sheldon Cooper?". Showbiz Cheat Sheet. Retrieved July 2, 2019.
  8. ^ Chaney, Jen (March 17, 2017). "Iain Armitage on Big Little Lies, David Bowie, and the Big Bang Theory Spinoff". Vulture. Retrieved July 2, 2019.
  9. ^ "'Big Bang Theory' spinoff 'Young Sheldon' ordered CBS". Fox News Channel. Retrieved March 13, 2017.
  10. ^ Mathews, Liam (August 7, 2017). "Here's the Advice Grown-Up Sheldon Jim Parsons Had for Young Sheldon's Iain Armitage". TV Guide. Retrieved August 15, 2017.
  11. ^ "EXCLUSIVE: Jim Parsons Says 'Young Sheldon' Star Iain Armitage Is 'Inspirational to Watch'". Entertainment Tonight. Retrieved August 15, 2017.
  12. ^ Lee, Jess (November 27, 2018). "Here's how The Big Bang Theory's crossover with Young Sheldon will happen". Retrieved November 29, 2018.
  13. ^ Truitt, Brian (August 9, 2017). "See Robert Redford and Jane Fonda together in first footage from 'Our Souls at Night'". USA Today. Retrieved August 15, 2017.
  14. ^ 'Captain Marvel', 'Young Sheldon' Stars Join Animated Scooby-Doo Movie (Exclusive) The Hollywood Reporter, May 13, 2019
  15. ^ Montgomery, Daniel; Beachum, Chris; Dixon, Marcus James; Eng, Joyce (September 6, 2018). "2018 Gold Derby TV Awards winners: 'Versace' and 'Handmaid's Tale' are top winners, but 'Game of Thrones' takes Best Drama". Gold Derby Awards. Retrieved November 2, 2018.
  16. ^ Tech, Simon. "Winners 2018 - Young Artist Awards". Retrieved August 2, 2018.
  17. ^ McDermott, Meave (August 14, 2018). "Who won the Teen Choice Awards? See the full winners' list". USA Today. Retrieved November 2, 2018.

External linksEdit