Martin Short as Hubie (voice)

Annie Golden as Marina (voice)

Jim Belushi as Rocko (voice)

Tim Curry as Drake (voice)

Alissa King as Petra (voice)

Stevie Vallance as Priscilla / Chinstrap (voice)

Will Ryan as Royal / Tika (voice)

Neil Ross as Scrawny (voice)

Stan Jones as McCallister (voice)

S. Scott Bullock as Chubby / Gentoo (voice)

Philip L. Clarke as King (voice)

Shani Wallis as Narrator (voice)

B.J. Ward as Megellenic 1 (voice)

Hamilton Camp as Megellenic 2 (voice)

Angeline Ball as Gwynne / Chinstrap (voice)

Kendall Cunningham as Timmy (voice)

Pat Musick as Pola / Chinstrap (voice)

Michael Nunes as Beany (voice)

Maggie Roswell as (voice / uncredited)