When Dr Frankenstein decides to retire from the monster-making business, he calls an international roster of monsters to a creepy convention to elect his successor. Everyone is there including Dracula, The Werewolf, The Creature, Dr Jekyll & Mr Hyde and many more. But Frankenstein's title is not all that is at stake. The famous doctor has also discovered the secret of total destruction that must not fall into the wrong hands!
Unfortunately the movie Mad Monster Party? is not yet available on HBO Max.
| Writing | Harvey Kurtzman | Writer |
| Writing | Len Korobkin | Writer |
| Directing | Jules Bass | Director |
| Writing | Jules Bass | Lyricist |
| Sound | Maury Laws | Songs |
| Writing | Forrest J. Ackerman | Writer |
| Production | Arthur Rankin, Jr. | Producer |
| Production | Larry Roemer | Associate Producer |
| Writing | Arthur Rankin, Jr. | Story |
| Production | Joseph E. Levine | Executive Producer |
| Sound | Maury Laws | Music |
| Production | Jules Bass | Producer |
| Directing | Kizo Nagashima | Assistant Director |
| Crew | Tadahito Mochinaga | Cinematography |
| Visual Effects | Jack Davis | Character Designer |
| Crew | Killer Joe Piro | Choreographer |
| Writing | Bram Stoker | Characters |
| Writing | Mary Shelley | Characters |
| Writing | Victor Hugo | Characters |
| Writing | H.G. Wells | Characters |
| Writing | Robert Louis Stevenson | Characters |
