John Ritter

President Chet Roosevelt

Harvey Korman

Monty Rushmore

Fred Willard

Vincent Vanderhoff

Chief Dan George

Sam Birdwater

Richard Schaal

Jerry

Peter Riegert

Eric McMurkin

Nancy Morgan

Lucy Beth

Meat Loaf

Oklahoma Daredevil, Roy Budnitz

Elvis Costello

The Earl of Manchester

Howard Hesseman

Kip Margolis

Jay Leno

Larry Miller (Poopy Butt)

Peter Marshall

Himself

Zane Buzby

Mouling Jackson

Terence McGovern

Danny Olson

Tommy Lasorda

Jimmy Dumphy

Jimmy Weldon

Big Jim, VP Research

Allan Arbus

Moishe Weitzman

David Opatoshu

Abdul Muhammad

George Carlin

Narrator

Dorothy Stratten

Americathon Stage Dancer

David Opatoshu

Abdul Mohammad

J.A. Preston

Morty

Michael Mislove

Mickey

John Creamer

Oliver Holmes

George Memmoli

Blinky Fun

Ben Fong-Torres

Chinese

John Lone

Chinese

George Fisher

Al Feisal

David S. Cass Sr.

Commando #2

Fred Lerner

Commando #3

John Welsh

Ben

Dom Magwili

Mouling's Manager

Gene LeBell

Referee

Loren Janes

Stage Hand

Robert Starr

TV Technician

Neal Israel

Rabbi Protester

Michael St. Clair

Willie Tyler

Eric Lee

Dick Winslow

Jerry Maren

Zelda Rubinstein

Linda Montana

Skeeter Vaughan

Jake Steinfeld

Tom Platz

Sandy Rovetta

John Carradine

Uncle Sam

Alison Brown

Americathon Stage Dancer

Elizabeth Carder

Clergy

Jimmy Carter

Self (Archive Footage)

Cybill Shepherd

Gold Girl (Uncredited)

Sandy Rovetta

Band Member