 | Jerry Lewis als Wilbur Swain / Caleb Swain |
 | Madeline Kahn als Eliza Swain / Lutetia Swain |
 | Marty Feldman als Sylvester |
 | Jim Backus als President of the U.S. |
 | Merv Griffin als Anchorma |
 | Pat Morita als Ah Fong, the Chinese Ambassador |
 | Orson Welles als Aliens' Father (voice) |
 | John Abbott als Dr. Frankenstein |
 | Samuel Fuller als Colonel Sharp |
| Ve Neill | Makeup Effects |
| Steven Paul | Director |
| Dorothy Koster Paul | Casting |
| Steven Paul | Writer |
| Murray Schwartz | Associate Producer |
| Steven Paul | Producer |
| Hank Paul | Executive Producer |
| Anthony B. Richmond | Director of Photography |
| Kurt Vonnegut Jr. | Novel |
| Joel Schiller | Production Design |
| Ross Albert | Supervising Editor |
| Dan Murphy | Executive Producer |
| Larry Sugar | Executive Producer |
| Bill Teague | Sound Mixer |
| Morton Stevens | Original Music Composer |
| Leroy Reed | Transportation Captain |
| Chip Garamella | Supervising Sound Editor |
| Darryl Levine | Wardrobe Designer |
| Patrick Wright | Line Producer |
