The Neptune Factor (1973): cast, story & where to watch
1973 · Film · ★ 4.9

Released in 1973, The Neptune Factor is an action and science fiction film directed by Daniel Petrie, running about 98 minutes. “The most fantastic undersea odyssey ever filmed.” — that tagline sets the tone.
What it’s about. When an underwater ocean lab is lost in a earthquake, an advanced submarine is sent down to find it and encounters terrible danger.
Who’s in it. The Neptune Factor stars Ben Gazzara as Cmdr. Adrian Blake, Walter Pidgeon as Dr. Samuel Andrews, Ernest Borgnine as Chief Diver Don MacKay and Yvette Mimieux as Dr. Leah Jansen, among others.
How it landed. With an audience score of 4.9/10, The Neptune Factor has proved divisive with audiences.
Where to watch. In US you can stream it on fuboTV. See the full, country-by-country breakdown on our where to watch The Neptune Factor page.
If you liked it. Fans of The Neptune Factor tend to enjoy The Dark Knight, The Lord of the Rings: The Return of the King, Inception and The Lord of the Rings: The Fellowship of the Ring.
Frequently asked
- Where can I watch The Neptune Factor (1973)?
- In US, The Neptune Factor is available to stream on fuboTV. Availability varies by country — check our where-to-watch page for every region.
- Is The Neptune Factor worth watching?
- The Neptune Factor holds an audience score of 4.9 out of 10, and is a strong pick if you enjoy action and science fiction. Reactions are mixed, so it may depend on taste.
- Who stars in The Neptune Factor?
- The Neptune Factor stars Ben Gazzara, Walter Pidgeon, Ernest Borgnine, Yvette Mimieux and Donnelly Rhodes.
- When was The Neptune Factor released?
- The Neptune Factor was released in 1973, with a runtime of about 98 minutes.
