Abigail Breslin as Rosebud (voice)

Michael Clarke Duncan as Wolf (voice)

Josh Flitter as Budderball (voice)

Spencer Fox as Mudbud (voice)

Skyler Gisondo as B-Dawg (voice)

Dominic Scott Kay as Bud-dha (voice)

Don Knotts as Sniffer (voice)

Debra Jo Rupp as Belinda (voice)

Tom Everett Scott as Buddy (voice)

Molly Shannon as Molly (voice)

Wallace Shawn as Billy (voice)

Cascy Beddow as Concession Kid #1

Jane Carr as Mrs. Niggles

Kelly Chapek as Alice

Patrick Cranshaw as Sheriff Bob

Jarvis Dashkewytch as Bud-dha Boy

Tyler Foden as Bartleby Livingstone

Karen Holness as Wilma

Dan Joffre as Bob

Irene Karas as Housekeeper

Richard Karn as Patrick Framm

Ellen Kennedy as Concession Lady

Serge Houde as Miles Livingstone

Stuart Malinowski as Veggie Man

Jaimie Mortimer-Lamb as Concession Kid #2

Gig Morton as B-Dawg Boy

Holmes Osborne as Selkirk Tander

Slade Pearce as Noah Framm

Christian Pikes as Henry

Paul Rae as Denning

Cynthia Stevenson as Jackie Framm

John Tench as Biker #1

Ingrid Tesch as Alice's Mom

Mark Tisdale as Biker #2

Cainan Wiebe as Mud-Bud Boy

Trevor Wright as Grim