Where to watch X: The Unknown in the UK

Name: X: The Unknown
Genre: Horror, Science Fiction, Mystery
Released: 1956-09-21
Cast: Dean Jagger, Leo McKern, William Lucas, Edward Chapman, John Harvey

X: The Unknown (1956) is streaming in the UK on Amazon Prime Video, Apple TV Store, Amazon Video, YouTube and Plex.

Checked 9 November 2026. Streaming with a subscription or for free only; we don't list rentals or purchases.

Type: Film
Year: 1956
Genre: Horror, Science Fiction, Mystery
Running time: 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%

Trailer & cast

Frequently asked questions about X: The Unknown

Is X: The Unknown on Netflix UK?

No, X: The Unknown isn't on Netflix in the UK right now. You can watch it on Amazon Prime Video, Apple TV Store, Amazon Video, YouTube and Plex.

Is X: The Unknown on Sky?

No, X: The Unknown isn't on Sky in the UK right now. You can watch it on Amazon Prime Video, Apple TV Store, Amazon Video, YouTube and Plex.

How long is X: The Unknown?

X: The Unknown is 81 minutes long (1 hour and 21 minutes).

Who is in the cast of X: The Unknown?

The cast includes Dean Jagger, Leo McKern, William Lucas, Edward Chapman and John Harvey.

Where to watch X: The Unknown in the UK

Frequently asked questions about X: The Unknown

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