- as Sheldon Cooper
- as Meemaw
- as Mary Cooper
- as Sheldon (Voice)
- as George Cooper, Sr.
- as Dr. John Sturgis
- as George Cooper Jr.
- as Paige
- as Missy Cooper
- as Linda
- as Barry
- as Dr. Barrett
- as Paula
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Watch "Young Sheldon > Carbon Dating and a Stuffed Raccoon":