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 Isabel May Veronica Guest Star Doc Farrow Assistant Coach Wilkins Guest Star Tim Griffin Clint Watson Guest Star Jeniffer Behrens Teresa Guest Star Chuck Lorre Executive Producer, Writer Steven Molaro Executive Producer, Writer Todd Spiewak Executive Producer David Bickel Writer Steve Holland Writer Tara Hernandez Writer Jeremy Howe Writer Jaffar Mahmood Director