Lucas Cruikshank
— Fred Figglehorn
Jake Weary
— Kevin
Siobhan Fallon Hogan
— Fred's Mom
Carlos Knight
— Diesel
Daniella Monet
— Bertha
Joey Bragg
— Magoo
Leah Lewis
— Spoon
Matthew Scott Miller
— Chatter
Adam Riegler
— Lawrence
Adrian Kali Turner
— Dig
Adam Herschman
— Murray
Steve Hytner
— Ivan
Madison Riley
— Oksana
Charlie Carver
— Hugh Thompson
John Cena
— Fred's Dad
Tracey Walter
— Scary Gary
Tom Arnold
— Floyd Spunkmeyer
Lance Lanfear
— Cop
Beverly Polcyn
— Miss McGurkin
Jason McNichols
— Randy the Pizza Guy
Jonathan Judge
— Monkey Butler
Luke Broadlick
— Fred's Dancer #1
Philip Albuquerque
— Fred's Dancer #2
Matthew Peacock
— Geometry Kid #1
Britt Stewart
— Geometry Kid #2
Mason Cutler
— Geometry Kid #3
KC Monnie
— Jock #1
William Loftis
— Jock #2
Amy Murray
— Lunch Lady #1
Shari Tiandra Butler
— Lunch Lady #2