Name	Known for
Iain Armitage Sheldon Cooper Sheldon Cooper See fewer	Young Sheldon (2017)
Zoe Perry Mary Cooper Mary Cooper See fewer	Young Sheldon (2017)
Lance Barber George Cooper Sr. George Cooper Sr. See fewer	Gangster Squad (2013)
Montana Jordan Georgie Cooper Georgie Cooper See fewer	Young Sheldon (2017)
Raegan Revord Missy Cooper Missy Cooper See fewer	Young Sheldon (2017)
Emily Osment Mandy McAllister Mandy McAllister See fewer	Hannah Montana: The Movie (2009)
Annie Potts Connie 'Meemaw' Tucker Connie 'Meemaw' Tucker See fewer	Ghostbusters (1984)
Jim Parsons Sheldon Cooper (voice) Sheldon Cooper (voice) See fewer	The Big Bang Theory (2007)
Ed Begley Jr. Dr. Grant Linkletter Dr. Grant Linkletter See fewer	A Mighty Wind (2003)
Will Sasso Jim McAllister Jim McAllister See fewer	The Three Stooges (2012)
Robert Picardo Professor Salzman Professor Salzman See fewer	Star Trek: Voyager (1995)
Grady Lee Richmond Wade Wade See fewer	The Ranch (2016)
Reagan To Mei-Tung Mei-Tung See fewer	Young Sheldon (2017)
Gary Ballard Herman Herman See fewer	Murder in the First (1995)
Jim Cody Williams Lyle Lyle See fewer	Pirates of the Caribbean: Dead Man's Chest (2006)
Daniel Polo Mr. Ziegler Mr. Ziegler See fewer	The Young and the Restless (1973)
Mo Anouti Dixie Mafia #1 Dixie Mafia #1 See fewer	Lucifer (2016)