- as Sheldon Cooper
- as Meemaw
- as Mary Cooper
- as Sheldon Cooper (Voice)
- as George Cooper, Sr.
- as Alf (Voice)
- as George Cooper Jr.
- as Pastor Jeff
- as Missy Cooper
- as Ms. Hutchins
- as Tam
- as Veronica Duncan
- as Prayer Group #1
- as Prayer Group #2
- as Prayer Group #3
- as Prayer Group #4
The information provided is incomplete. You can help OMDB by expanding it.
Watch "Young Sheldon > A Race of Superhumans and a Letter to Alf":