Creature from the Haunted Sea is a 1961 horror comedy movie directed by Roger Corman. Written by Charles B. Griffith, the movie is a parody of spy, gangster, and monster movies (mostly Creature from the Black Lagoon), concerning a secret agent, XK150 (played by Robert Towne credited as Edward Wain), who uses the name “Sparks Moran” in order to infiltrate a criminal gang commanded by Renzo Capetto (Antony Carbone), who is trying to transport an exiled Cuban general with an entourage and a large portion of the Cuban treasury out of Cuba. Filmgroup released the movie as a double feature with Devil’s Partner.

https://en.wikipedia.org/wiki/Creature_from_the_Haunted_Sea