Boris Karloff, Jules Bass, Arthur Rankin Jr., Forrest J. Ackerman, Allen Swift, Gale Garnett, Phyllis Diller, Len Korobkin, Harvey Kurtzman

Mad Monster Party? is a movie starring Boris Karloff, Allen Swift, and Gale Garnett. When Dr Frankenstein decides to retire from the monster-making business, he calls an international roster of monsters to a creepy convention to...