Iain Armitage Sheldon Actor Zoe Perry Mary Actor Lance Barber George Sr. Actor Annie Potts Meemaw Actor Montana Jordan Georgie Actor Raegan Revord Missy Actor Jim Parsons Adult Sheldon Narrator, Executive Producer Matt Hobby Pastor Jeff Actor Craig T. Nelson Dale Guest Star Wyatt McClure Billy Sparks Guest Star Mckenna Grace Paige Guest Star Ava Allan Jana Guest Star Rick Peters Mr. Boggs Guest Star Sharon Omi Librarian Guest Star Chuck Lorre Executive Producer Steven Molaro Executive Producer, Writer Todd Spiewak Executive Producer Steve Holland Writer Jeremy Howe Writer Maria Ferrari Writer Tara Hernandez Writer Connor Kilpatrick Writer Jaffar Mahmood Director