- as Sheldon Cooper
- as Meemaw
- as Mary Cooper
- as Sheldon (Voice)
- as George Cooper, Sr.
- as Ms. MacElroy
- as George Cooper Jr.
- as Principal Petersen
- as Missy Cooper
- as Dr. Eberland
- as Tam
- as Mr. Givens
- as Ned
- as Veronica
- as Diane
- as Coughing Teacher
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