Star lore on the rock. He then consulted with Cepheus and Cassiopeia, and they decided that if Perseus rescued Andromeda from the sea monster, he could marry her. The story of how he then defeats the monster varies. Ovid describes his killing of the monster as a drawn out bloody battle. Other sources say that Perseus killed the sea monster with the aid of Medusa's head, turning the monster to stone. Andromeda and Perseus were married soon after, despite already being promise to her uncle, Phineus. At the wedding, Phineus and Perseus got into an altercation, and Perseus turned Phineus to stone
Monster from the Ocean Floor was sold to Lippert Pictures for $110,000. Gene Corman later said that Lippert renegotiated his deal on the film once he found out that Roger Corman had not spent $100,000 on making it, but considerably less. Corman received a $60,000 advance for "Monster", which enabled him to make his next film. The film grossed $850,000. "TV Guide" found the movie lacking and criticized the directing; however, it found the movie interesting historically as the "beginning of something big and cheap". Variety was kinder, calling the movie a well made quickie. Monster from the Ocean Floor Monster from the Ocean Floor