It Came from Beneath the Sea is a 1955 American science fiction monster horror film from Columbia Pictures, produced by Sam Katzman and Charles Schneer, directed by Robert Gordon, that stars Kenneth Tobey, Faith Domergue, and Donald Curtis. The screenplay by George Worthing Yates was designed to showcase the stop motion animation special effects of Ray Harryhausen.

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