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)