Lucas Cruikshank as Fred Figglehorn

Jake Weary as Kevin

Siobhan Fallon Hogan as Fred's Mom

Carlos Knight as Diesel

Daniella Monet as Bertha

Joey Bragg as Magoo

Leah Lewis as Spoon

Matthew Scott Miller as Chatter

Adam Riegler as Lawrence

Adrian Kali Turner as Dig

Adam Herschman as Murray

Steve Hytner as Ivan

Madison Riley as Oksana

Charlie Carver as Hugh Thompson

John Cena as Fred's Dad

Tracey Walter as Scary Gary

Tom Arnold as Floyd Spunkmeyer

Lance Lanfear as Cop

Beverly Polcyn as Miss McGurkin

Jason McNichols as Randy the Pizza Guy

Jonathan Judge as Monkey Butler

Luke Broadlick as Fred's Dancer #1

Philip Albuquerque as Fred's Dancer #2

Matthew Peacock as Geometry Kid #1

Britt Stewart as Geometry Kid #2

Mason Cutler as Geometry Kid #3

KC Monnie as Jock #1

William Loftis as Jock #2

Amy Murray as Lunch Lady #1

Shari Tiandra Butler as Lunch Lady #2

Nancee Testa as Lunch Lady #3

Britton Bickel as Cheerleader #1

Chandrae Roettig as Cheerleader #2

Douglas Tait as Crocobearimoose