It Came from Beneath the Sea (1955) Horror Sci-Fi

Rated R | Genres Horror, Sci-Fi | Runtime 1h 19m
It Came from Beneath the Sea (1955) Horror Sci-Fi Poster

It Came from Beneath the Sea Plot Synopsis:


Synopsis / Plot Summary: After an encounter at sea with an unknown underwater creature, a naval commander works with two scientists to identify it. The creature they are dealing with is a giant, radioactive octopus that has left its normal feeding grounds in search of new sources of replenishment. As the creature attacks San Francisco, the Navy tries to trap it at the Golden Gate Bridge but it manages to enter the Bay area leading to a final confrontation with a submarine.

Tagline: IT CRUSHES! KILLS! DESTROYS! (original print ad - all caps)

More: Most Anticipated Horror Movies Coming Soon in 2026-2027!

Official Trailer

  • It Came from Beneath the Sea Official Trailer

It Came from Beneath the Sea Movie Information:

Type: Movie
Year: 1955 (more 1955 movies)
MPAA Rating: R
Runtime: 79 minutes /
Genres:  Horror, Sci-Fi
Sub-Genres:  Monsters
Directors: Robert Gordon
Stars: Kenneth Tobey, Faith Domergue, Donald Curtis, Ian Keith, Dean Maddox Jr. … (cast list)
Language: English
Country: United States, Japan
Writers: George Worthing Yates, Harold Jacob Smith
Producers: Sam Katzman, Charles H. Schneer
Musicians: Mischa Bakaleinikoff
Cinematographers: Henry Freulich

Browse: Monster Movies List

Trending in Movies:

Whistle (2025), Forgive Us All (2025), Hell House LLC: Lineage (2025), 28 Years Later: The Bone… (2026), 28 Years Later (2025), We Bury the Dead (2024), Strange Harvest: Occult Murder… (2024), Bring Her Back (2025), Parvulos (2024), and ZombieCON Vol. 1 (2024)

Check Out the Best Horror Movies of 2026 You Must See!

Check out more movies that start with I and movies from 1955. It Came from Beneath the Sea is part of the monster movies sub-genre(s), check out more movies like It Came from Beneath the Sea. Also, here are some more sci-fi movies that start with I.

More: Must See New Horror Movies in 2026!

(10) Movie Recommendations


Source: IMDB, Metacritic, Rotten Tomatoes, HellHorror.com fans like you!