Nightclub singer Larry Todd breaks off his romance with a beautiful showgirl after realizing she's involved with a murderously jealous gangster. When Larry mistakenly believes he has killed one of the mobsters, heiress Mary Carol helps him and his partner, Myron, escape to Cuba. Mary has inherited a haunted castle on an isolated island, and despite warnings, decides to claim her inheritance. At the castle, the trio hunt for hidden treasure and encounter a ghost, a zombie, and a mysterious killer. Cast: - Dean Martin as Larry Todd - Jerry Lewis as Myron Mertz - Lizabeth Scott as Mary Carroll - Carmen Miranda as Carmelita Castinha - George Dolenz as Mr. Cortega - Dorothy Malone as Rosie - William Ching as Tony Warren - Paul Marion as Ramon Cariso / Francisco Cariso - Jack Lambert as Zombie - Tony Barr as Trigger - Leonard Strong as Shorty - Henry Brandon as Pierre Runtime: 108 minutes.