John Ritter as President Chet Roosevelt

Harvey Korman as Monty Rushmore

Fred Willard as Vincent Vanderhoff

Chief Dan George as Sam Birdwater

Richard Schaal as Jerry

Peter Riegert as Eric McMurkin

Nancy Morgan as Lucy Beth

Meat Loaf as Oklahoma Daredevil, Roy Budnitz

Elvis Costello as The Earl of Manchester

Howard Hesseman as Kip Margolis

Jay Leno as Larry Miller (Poopy Butt)

Peter Marshall as Himself

Nellie Bellflower as Missy, VP Advertising

Zane Buzby as Mouling Jackson

Terence McGovern as Danny Olson

Tommy Lasorda as Jimmy Dumphy

Jimmy Weldon as Big Jim, VP Research

Robert Beer as David Eisenhower

Allan Arbus as Moishe Weitzman

David Opatoshu as Abdul Muhammad

George Carlin as Narrator

Janie Squire as Student

Dorothy Stratten as Americathon Stage Dancer

Geno Andrews as Chris Broder

Cynthia Windham as Dancer