- as Sheldon Cooper
- as Meemaw
- as Mary Cooper
- as Sheldon (Voice)
- as George Cooper, Sr.
- as Herschel Sparks
- as George Cooper Jr.
- as Brenda Sparks
- as Missy Cooper
- as Tam
- as Luis
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Watch "Young Sheldon > Jiu-Jitsu, Bubble Wrap, and Yoo-Hoo":