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 Wallace Shawn Dr. Sturgis Guest Star Wyatt McClure Billy Sparks Guest Star Craig T. Nelson Dale Guest Star Reba McEntire June Guest Star Taylor Spreitler Sam Guest Star Nolan Bateman Keith Guest Star London Cheshire Marcus Guest Star Ed Ackerman Nate Guest Star Aaron D. Alexander Customer 1 Guest Star Mac Jarman Evan Guest Star Nick Armstrong Patron Guest Star Parker James Logie Young Georgie Guest Star Chuck Lorre Executive Producer Steven Molaro Executive Producer, Writer Todd Spiewak Executive Producer Steve Holland Writer Eric Kaplan Writer Maria Ferrari Writer Tara Hernandez Writer Jeremy Howe Writer Jaffar Mahmood Director