Joaquin Phoenix as Kenai (voice)

Jeremy Suarez as Koda (voice)

Jason Raize as Denahi (voice)

Rick Moranis as Rutt (voice)

Dave Thomas as Tuke (voice)

D. B. Sweeney as Sitka (voice)

Joan Copeland as Tanana (voice)

Michael Clarke Duncan as Tug (voice)

Harold Gould as Old Denahi (voice)

Paul Christie as Ram #1 (voice)

Danny Mastrogiorgio as Ram #2 (voice)

Estelle Harris as Old Lady Bear (voice)

Greg Proops as Male Lover Bear (voice)

Pauley Perrette as Female Lover Bear (voice)

Bumper Robinson as Chipmunks (voice)

Darko Cesar as Foreign Croatian Bear (voice)

Angayuqaq Oscar Kawagley as Inuit Narrator (voice)

Sherry Lynn as Additional Voice (voice)

Mickie McGowan as Additional Voice (voice)

Debi Derryberry as Additional Voices (voice)

Patrick Pinney as Additional Voices (voice)