Mel Brooks ... President Skroob / Yogurt
John Candy ... Barf
Rick Moranis ... Dark Helmet
Bill Pullman ... Lone Starr
Daphne Zuniga ... Princess Vespa
Dick Van Patten ... King Roland
George Wyner ... Colonel Sandurz
Michael Winslow ... Radar Technician
Joan Rivers ... Dot Matrix (voice)
Lorene Yarnell Jansson ... Dot Matrix (as Lorene Yarnell)
John Hurt ... John Hurt
Sal Viscuso ... Radio Operator
Ronny Graham ... Minister
Jim J. Bullock ... Prince Valium (as JM J. Bullock)
Leslie Bevis ... Commanderette Zircon
Jim Jackman ... Major Asshole
Mike Pniewski ... Laser Gunner (as Michael Pniewski)
Sandy Helberg ... Dr. Schlotkin
Stephen Tobolowsky ... Captain of the Guard
Jeff MacGregor ... Snotty
Henry Kaiser ... Magnetic Beam Operator
Denise Gallup ... Charlene
Dian Gallup ... Marlene
Gail Barle ... Waitress
Dey Young ... Waitress
Rhonda Shear ... Woman in Diner
Robert Prescott ... Sand Cruiser Driver
Jack Riley ... TV Newsman
Tom Dreesen ... Megamaid Guard
Rudy De Luca ... Vinnie (as Rudy DeLuca)
Tony Griffin ... Prison Guard
Rick Ducommun ... Prison Guard
Ken Olfson ... Head Usher
Bryan O'Byrne ... Organist
Wayne Wilson ... Trucker in Cap
Ira Miller ... Short Order Cook
Earl Finn ... Guard with Captain
Mitchell Bock ... Video Operator
Tommy Swerdlow ... Troop Leader
Tim Russ ... Trooper
Ed Gale ... Dink
Antonio Hoyos ... Dink
Felix Silla ... Dink
Arturo Gil ... Dink
Tony Cox ... Dink
John Kennedy Hayden ... Dink
Dee Booher ... Bearded Lady (as Deanna Booher)
Johnny Silver ... Caddy
Brenda Strong ... Nurse
Dom DeLuise ... Pizza the Hutt (voice
Phil Hartman ... Dink (voice) (uncredited)