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It Conquered the World

4.919561h 11mMovieScience FictionThrillerHorror

An alien from Venus tries to take over the world with the help of a disillusioned human scientist, as his wife, his best friend and the friend's wife try to intervene.

DirectorRoger Corman
WritersCharles B. Griffith·Lou Rusoff
ProducersJames H. Nicholson·Samuel Z. Arkoff

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It Conquered the World was released on July 14, 1956 but we couldn't find it on any streaming service yet. Rights can change — try again later.

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Cast · Directed by Roger Corman

LCLee Van Cleef
Lee Van Cleef
Dr. Tom Anderson
BGBeverly Garland
Beverly Garland
Claire Anderson
PGPeter Graves
Peter Graves
Dr. Paul Nelson
SFSally Fraser
Sally Fraser
Joan Nelson
RBRuss Bender
Russ Bender
General James Pattick
JHJonathan Haze
Jonathan Haze
Pvt. Miguel Ortiz
DMDick Miller
Dick Miller
Sgt. Neil
PH
Paul Harbor
Floyd Mason
CGCharles B. Griffith
Charles B. Griffith
Dr. Pete Shelton
KKKaren Kadler
Karen Kadler
Ellen Peters
TCTaggart Casey
Taggart Casey
Sheriff N.J. Shallert
TJThomas E. Jackson
Thomas E. Jackson
George Haskell

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It Conquered the World — streaming FAQ

Which OTT platform streams It Conquered the World?

It Conquered the World isn't streaming anywhere in United Kingdom yet.

Is It Conquered the World on Netflix?

No, It Conquered the World is not on Netflix in United Kingdom as of September 2026.

Is It Conquered the World on Amazon Prime Video?

No, It Conquered the World isn't on Amazon Prime Video in United Kingdom right now.

Where can I watch It Conquered the World for free?

It Conquered the World isn't streaming in United Kingdom yet, so there's no way to watch it free at the moment.

What is the OTT release date for It Conquered the World?

It Conquered the World hasn't started streaming in United Kingdom yet. Based on the typical 6–8 week theatrical-to-streaming window, we estimate it will arrive around September 1, 1956. This is a prediction, not a confirmed date.