Joaquin Phoenix
Kenai (voice)
Jeremy Suarez
Koda (voice)
Jason Raize
Denahi (voice)
Rick Moranis
Rutt (voice)
Dave Thomas
Tuke (voice)
D. B. Sweeney
Sitka (voice)
Joan Copeland
Tanana (voice)
Michael Clarke Duncan
Tug (voice)
Harold Gould
Old Denahi (voice)
Paul Christie
Ram #1 (voice)
Danny Mastrogiorgio
Ram #2 (voice)
Estelle Harris
Old Lady Bear (voice)
Greg Proops
Male Lover Bear (voice)
Pauley Perrette
Female Lover Bear (voice)
Bumper Robinson
Chipmunks (voice)
Darko Cesar
Foreign Croatian Bear (voice)
Angayuqaq Oscar Kawagley
Inuit Narrator (voice)
Sherry Lynn
Additional Voice (voice)
Mickie McGowan
Frank Welker
Additional Animal Vocal Effects (voice)
Debi Derryberry