Kim Basinger
Mother Bear (voice)

Catherine O'Hara
Mayor Owl (voice)

Martin Short
Justin Beaver (voice)

Jeremy Renner
Lieutenant Timber (voice)

Mena Suvari
Mena Vulpes (voice)

Michael J. Fox
Michael J. Bird (voice)

Eugene Levy
Fire Chief Ducky (voice)

Norm Macdonald
Grandpaws (voice)

Ed Asner
Peter Lionsbridge (voice)

Marlon Wayans
Mr. Tortoise (voice)

Bill Burr
Officer Quill (voice)

Tom Green
Tom O'Malley (voice)

Harland Williams
Reefer Harfish (voice)

Howie Mandel
Father Bear (voice)

Tantoo Cardinal
Mrs. Grey Horns (voice)

Sherri Shepherd
Mrs. Tortoise (voice)

Scott Thompson
Principal Alters (voice)

Gordon Pinsent
Jack Rabbit (voice)

Lorne Cardinal
Mr. Grey Horn (voice)