Kim Basinger as Mother Bear (voice)

Catherine O'Hara as Mayor Owl (voice)

Martin Short as Justin Beaver (voice)

Jeremy Renner as Lieutenant Timber (voice)

Mena Suvari as Mena Vulpes (voice)

Michael J. Fox as Michael J. Bird (voice)

Eugene Levy as Fire Chief Ducky (voice)

Norm Macdonald as Grandpaws (voice)

Ed Asner as Peter Lionsbridge (voice)

Marlon Wayans as Mr. Tortoise (voice)

Bill Burr as Officer Quill (voice)

Tom Green as Tom O'Malley (voice)

Harland Williams as Reefer Harfish (voice)

Howie Mandel as Father Bear (voice)

Tantoo Cardinal as Mrs. Grey Horns (voice)

Sherri Shepherd as Mrs. Tortoise (voice)

Scott Thompson as Principal Alters (voice)

Gordon Pinsent as Jack Rabbit (voice)

Lorne Cardinal as Mr. Grey Horn (voice)