Grimaldi / Co-Pilot / Barbarian (voice)

Don Francks

Hanover Fiste / Dr. Anrak (voice)

Rodger Bumpass

Alien, Henchman

Harvey Atkin

Boy

Thor Bishopric

Desk Sergeant / Dan / Den / Robot (voice)

John Candy

Harry Canyon (voice)

Richard Romanus

Katherine (voice)

Jackie Burroughs

Lawyer / General (voice)

Joe Flaherty

Zeke (voice)

Harold Ramis

Councilman

Ned Conlon

Whore / Queen (voice)

Marilyn Lightstone

Barbarian

Len Doncheff

Sternn / Male Reporter / Edsel (voice)

Eugene Levy

Girl (voice)

Caroline Semple

Woman Reporter

Patty Dworkin

Girl / Satellite (voice)

Susan Roman

Rudnick (voice)

Al Waxman

Councilman

Joseph Golland

Whore

Glenis Wootton Gross

Whore

Gianis Wootton Gross

Councilman

Charles Joliffe

Regolian

Douglas Kenney

Prosecutor (voice)

John Vernon

Ard

Martin Lavut

Pilot / Barbarian (voice)

George Touliatos

Norl / Taarak (voice)

August Schellenberg

Elder

Mavor Moore

Barbarian Leader (voice)

Vlasta Vrana

Senator

Warren Munson

Gloria (voice)

Alice Playten

Loc-Nar (voice / uncredited)

Percy Rodriguez

Girl

Caroline Sample

Bartender

Cedric Smith

Barbarian Leader

Viastra Vrane

Navigator/Barbarian

Zal Yanovsky

Dan Aykroyd