- as Sheldon Cooper
- as Meemaw
- as Mary Cooper
- as Sheldon (Voice)
- as George Cooper, Sr.
- as Ms. MacElroy
- as George Cooper Jr.
- as Brenda Sparks
- as Missy Cooper
- as Tam
- as Hank
- as Derek
The information provided is incomplete. You can help OMDB by expanding it.
Watch "Young Sheldon > A High-Pitched Buzz and Training Wheels":