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)