Mel Brooks as President Skroob / Yogurt

John Candy as Barf

Rick Moranis as Dark Helmet

Bill Pullman as Lone Starr

Daphne Zuniga as Princess Vespa

Dick Van Patten as King Roland

George Wyner as Colonel Sandurz

Michael Winslow as Radar Technician

Joan Rivers as Dot Matrix (voice)

Lorene Yarnell Jansson as Dot Matrix

John Hurt as John Hurt

Sal Viscuso as Radio Operator

Ronny Graham as Minister

Jim J. Bullock as Prince Valium

Leslie Bevis as Commanderette Zircon

Jim Jackman as Major Asshole

Mike Pniewski as Laser Gunner

Sandy Helberg as Dr. Schlotkin

Stephen Tobolowsky as Captain of the Guard

Jeff MacGregor as Snotty

Henry Kaiser as Magnetic Beam Operator

Denise Gallup as Charlene

Dian Gallup as Marlene

Gail Barle as Waitress

Dey Young as Waitress

Rhonda Shear as Woman in Diner

Robert Prescott as Sand Cruiser Driver

Jack Riley as TV Newsman

Tom Dreesen as Megamaid Guard

Rudy De Luca as Vinnie

Tony Griffin as Prison Guard

Rick Ducommun as Prison Guard

Ken Olfson as Head Usher

Bryan O'Byrne as Organist

Wayne Wilson as Trucker in Cap

Ira Miller as Short Order Cook

Earl Finn as Guard with Captain

Mitchell Bock as Video Operator

Tommy Swerdlow as Troop Leader

Tim Russ as Trooper

Ed Gale as Dink

Antonio Hoyos as Dink

Felix Silla as Dink

Arturo Gil as Dink

Tony Cox as Dink

John Kennedy Hayden as Dink

Dee Booher as Bearded Lady

Johnny Silver as Caddy

Brenda Strong as Nurse

Dom DeLuise as Pizza the Hutt (voice)

Robert Buckingham as Wedding Guest (uncredited)

Corey Burton as Dink (voice) (uncredited)

Dan Cotter as Wedding Guest (uncredited)

Brent Dunsford as Wedding Guest (uncredited)

Phil Hartman as Dink (voice) (uncredited)

Conrad Hurtt as Guard (uncredited)

Rick Lazzarini as Pizza the Hutt / Ape #2 (uncredited)

Tress MacNeille as Dink (voice) (uncredited)

Jerry Maren as Dink (uncredited)

Terence Marsh as Spaceball Drum Beater (uncredited)

Steve McLean as Movie Crew Member (uncredited)

Sam L. Nickens as Wedding Guest (uncredited)

John Paragon as Dink (voice) (uncredited)

Rob Paulsen as Spaceball with Comb / Dink (voice) (uncredited)

Julie Pitkanen as Self-Destruct Voice (voice) (uncredited)

Ben Pollock as Wedding Guest (uncredited)

Thomas Meehan as King Roland's Aide (uncredited)