Official website: https://www.warnerbros.com/tv/young-sheldon
Iain Armitage
Sheldon Cooper
Zoe Perry
Mary Cooper
Lance Barber
George Cooper
Montana Jordan
Georgie Cooper
Raegan Revord
Missy Cooper
Annie Potts
Connie Tucker
Emily Osment
Mandy McAllister
Jim Parsons
Sheldon Cooper (voice)