Kyle Massey

Milo (voice)

Chelsea Kane

Bea (voice)

Justin Roiland

Oscar (voice)

Dana Snyder

Mr. Baldwin (voice)

Alex Hirsch

Clamantha (voice)

Tommy Lister Jr.

Mr. Mussels (voice)

John DiMaggio

Jocktopus (voice)

Jerry Stiller

Principal Stickler (voice)

Rachel Dratch

Esmargot (voice)

Atticus Shaffer

Albert Glass (voice)

Richard Simmons

Coach Salmons (voice)

Kari Wahlgren

Shellsea / Snake (voice)

Derek Evanick

School Council (voice)

Vanessa Marshall

Mouse (voice)

Scott Underwood

School Council (voice)

Doug Brochu

Lonnie (voice)

Jennifer Coolidge

Ms. Lips (voice)

John Caparulo

Headphone Joe (voice)