Gerald Potterton Director Harvey Atkin Alien, Henchman Voice Thor Bishopric Boy Voice Rodger Bumpass Hanover Fiste, Dr. Anrak Voice Jackie Burroughs Katherine Voice John Candy Desk Sergeant, Dan, Den, Robot Voice Ned Conlon Councilman Voice Len Doncheff Barbarian Voice Patty Dworkin Woman Reporter Voice Joe Flaherty Lawyer, General Voice Don Francks Grimaldi, Co-Pilot, Barbarian Voice Joseph Golland Councilman Voice Glenis Wootton Gross Whore Voice Charles Jolliffe Councilman Voice Douglas Kenney Regolian Voice Martin Lavut Ard Voice Eugene Levy Sternn, Male Reporter, Edsel Voice Marilyn Lightstone Whore, Queen Voice Mavor Moore Elder Voice Warren Munson Senator Voice Alice Playten Gloria Voice Harold Ramis Zeke Voice Susan Roman Girl, Satellite Voice Richard Romanus Harry Canyon Voice Len Blum Writer Daniel Goldberg Writer Cornelius Cole Writer Dan O'Bannon Writer Michael C. Gross Associate Producer, Production Design Peter Lebensold Associate Producer Leonard Mogel Executive Producer Lawrence Nesis Associate Producer Ivan Reitman Producer Elmer Bernstein Original Music Brian Tufano Cinematographer Janice Brown Film Editing Mick Manning Film Editing Gerald Tripp Film Editing Alex Tavoularis Production Design Christine Laroque Production Supervisor John Bruno Special Effects Director Sherman Labby Storyboard