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 Rob Brownstein Malcolm Green Guest Star Zylan Brooks Nancy Guest Star Kevin Stidham Waiter Guest Star John Mariano Envelope Guest Star Chuck Lorre Executive Producer Steven Molaro Executive Producer, Writer Todd Spiewak Executive Producer Eric Kaplan Writer Tara Hernandez Writer Jeremy Howe Writer Steve Holland Writer Connor Kilpatrick Writer Alex Reid Director