4' 8" (1.42 m)
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.
Saw his first stage show when he was three years old, and began posting play reviews and his own renditions of Broadway songs under the name Iain Loves Theatre.
Son of theater producer Lee Armitage and actor Euan Morton.