Rodger Bumpass
Hanover Fiste / Dr. Anrak (voice)

John Candy
Desk Sergeant / Dan / Den / Robot (voice)

Jackie Burroughs
Katherine (voice)

Joe Flaherty
Lawyer / General (voice)

Don Francks
Grimaldi / Co-Pilot / Barbarian (voice)

Marilyn Lightstone
Whore / Queen (voice)

Eugene Levy
Sternn / Male Reporter / Edsel (voice)

Harold Ramis
Zeke (voice)

Caroline Semple
Girl (voice)

Richard Romanus
Harry Canyon (voice)

Susan Roman
Girl / Satellite (voice)

Al Waxman
Rudnick (voice)

Harvey Atkin
Alien / Henchman (voice)

Glenis Wootton Gross
Whore (voice)

John Vernon
Prosecutor (voice)

George Touliatos
Pilot / Barbarian (voice)

August Schellenberg
Norl / Taarak (voice)

Vlasta Vrana
Barbarian Leader (voice)

Alice Playten
Gloria (voice)

Percy Rodriguez
Loc-Nar (voice / uncredited)