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 Wendie Malick President Hagemeyer Guest Star Katherine Von Till Kimberly Guest Star Jeannette Sousa Lorraine Guest Star Liz Jenkins Madge Guest Star Chuck Lorre Executive Producer Steven Molaro Executive Producer, Writer Todd Spiewak Executive Producer Steve Holland Writer Jeremy Howe Writer Connor Kilpatrick Writer Eric Kaplan Writer Tara Hernandez Writer Jaffar Mahmood Director