Skyler Gisondo
B-Dawg (voice)

Josh Flitter
Budderball (voice)

Liliana Mumy
Rosebud (voice)

Henry Hodges
Mudbud (voice)

Jimmy Bennett
Buddha (voice)

Dylan Sprouse
Shasta (voice)

Cainan Wiebe
Pete

Lise Simms
Meg

Kris Kristofferson
Talon (voice)

Tom Everett Scott
Buddy (voice)

Molly Shannon
Molly (voice)

Whoopi Goldberg
Miss Mittens (voice)

Jim Belushi
Bernie (voice)

Cynthia Stevenson
Jackie Framm

Dylan Minnette
Noah Framm

Richard Karn
Patrick

John Kapelos
Jean George

Lothaire Bluteau
Francois (voice)

Paul Rae
Phillipe (voice)

Kelly Chapek
Alice

Jarvis Dashkewytch
Sam

Tyler Foden
Bartleby

Gig Morton
Billy

Dominic Scott Kay
Adam

Mike Dopud
Joe

Kolton Nowaczynski
Paul

Christian Pikes
Henry

Charles C. Stevenson Jr.
Sheriff Ryan

Paula Lindberg
Icelandic Racer

Michael Teigen
Deputy Dan

Lucas Zayonc
Joel

Jason Bryden
Announcer Phil

Anthony Harrison
Coach

Nicholas Harrison
Pilot

Taku Kawai
Japanese Racer

Viv Leacock
Deliveryman

Stuart Malinowski
Russian Racer

Mackenzie Mowat
Pretty Girl

William Samples
Butler

Malcolm Scott
Co-Pilot

Cliff Solomon
Inuit

Lorna Joan Barrie
Race spectator (uncredited)

Anna McRoberts
Teacher (uncredited)