Where to watch X: The Unknown in the US
X: The Unknown (1956) isn't included with any streaming subscription in the US right now.
Checked November 7, 2026. Streaming included with a subscription only; we don't list rentals or purchases.
- Type
- Movie
- Year
- 1956
- Genre
- Horror, Science Fiction, Mystery
- Runtime
- 1h 21m
- Original language
- English
- Director
- Leslie Norman
- Starring
- Dean Jagger, Leo McKern, William Lucas, Edward Chapman and John Harvey
- IMDb
- 6.1/10 (3,363 votes)
- Rotten Tomatoes
- 71%