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 Valerie Mahaffey Mrs. MacElroy Guest Star Rex Linn Principal Petersen Guest Star Melissa Tang Ms. Fenley Guest Star Matt Hobby Pastor Jeff Guest Star Danielle Pinnock Mrs. Ingram Guest Star Brian Stepanek Mr. Givens Guest Star Doc Farrow Coach Bergdoff Guest Star Marcia Ann Burrs Woman at Church Guest Star Christian García Stinson Guest Star Chuck Lorre Executive Producer, Writer Steven Molaro Executive Producer Todd Spiewak Executive Producer Steve Molaro Writer Jon Favreau Director