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 Wallace Shawn Dr. John Sturgis Guest Star Richard Kind Ira Rosenbloom Guest Star Jason E. Kelley Moving Guy Guest Star Chuck Lorre Executive Producer, Writer Steven Molaro Executive Producer, Writer Todd Spiewak Executive Producer Jeremy Howe Writer Damir Konjicija Writer Dario Konjicija Writer Eric Kaplan Writer Jaffar Mahmood Director