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 Craig T. Nelson Dale Guest Star Ryan Phuong Tam Guest Star Wyatt McClure Billy Sparks Guest Star Danielle Pinnock Ms. Ingram Guest Star Rex Linn Principal Petersen Guest Star Katherine Von Till Kimberly Guest Star Luis Victor Jimenez Waiter Guest Star Chuck Lorre Executive Producer Steven Molaro Executive Producer Todd Spiewak Executive Producer Eric Kaplan Writer Jeremy Howe Writer Connor Kilpatrick Writer Steve Molaro Writer Steve Holland Writer Tara Hernandez Writer Jaffar Mahmood Director