Lucas Cruikshank as Fred Figglehorn / Derf

Pixie Lott as Judy

Jake Weary as Kevin

Jennette McCurdy as Bertha

John Cena as Fred's Dad

Siobhan Fallon Hogan as Fred's Mom

Jack Coughlan as Young Fred

Mak Kriksciun as Young Evan Weiss

Robert Noble as #6 Bus Driver

Gary Anthony Williams as Laundromat Manager

John Gatins as Car Wash Clerk #1

Bambadjan Bamba as Car Wash Clerk #2

Kirsten Berman as Fiat Driver

Oscar Nuñez as Lorenzo

Jordan Black as Gary

Dave Silva as Man Who Doesn't Speak English

Chris Wylde as Security Guard

Kevin Olson as Older Evan Weiss

Stephanie Courtney as Kevin's Mom

Edith Jefferson as Old Woman

Cassandra Braden as #7 Bus Driver

Alicia Favela as Girl #1

Jazzlyn Marae as Girl #2

Dallas Lovato as Girl #3

Ronald Hysten as Boy #1

Eddy Martin as Boy #2

Trevor Brown as Boy #3

Clay Weiner as Danny Janetti