Ed (voice)
Op (voice)
Dottie (voice)
Clarance (voice)
Burnie (voice)
Alma (voice)
Hoss / Ernest Shackleton (voice)
Jepson (voice)
Mali (voice)
Dr. Chung (voice)
Mrs. Sun / Little Girl (voice)
Charles Darwin (voice)
Wally (voice)
Vinny (voice)
Captain (voice)
Conch (voice)
Bo (voice)
Bo's Mom (voice)
That Guy / Booby (voice)
Bomb (voice)
Cyclops / Donut Store Clerk (voice)
News Reporter (voice)
Mozart / Sled Dogs (voice)
Narrator / Sled Dogs (voice)
Sled Dogs (voice)
Baseball Announcer (voice)
Additional Voices