It Conquered the World Review: Story, Cast, Rating & Final Verdict
Last updated: May 16, 2026
Movie Overview: It Conquered the World
| Movie | It Conquered the World |
| Release Year | 1956 |
| Director | Roger Corman |
| Genre | Science Fiction / Thriller / Horror |
| Runtime | 71 minutes (1h 11m) |
| Language | EN |
Quick Verdict: Hit or Flop?
Is It Conquered the World (1956) worth watching? According to our cinematic analysis, the film stands as a AVERAGE with a verified audience rating of 4.9/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Science Fiction.
Cast & Character Study
The performances in It Conquered the World are led by Lee Van Cleef . The supporting cast, including Beverly Garland and Peter Graves , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
While It Conquered the World does not fully realize its potential, it still contains moments that may appeal to viewers who enjoy Science Fiction films.
- Interesting concept or premise
- Some entertaining scenes
- Supporting cast delivers occasional highlights
What Doesn't Work
Despite its strengths, It Conquered the World has a few issues that may affect the overall viewing experience, particularly in terms of pacing and narrative consistency.
- Uneven pacing in certain parts of the film
- Some predictable plot developments
- May not appeal to audiences outside the Science Fiction fanbase
Story & Plot Summary: It Conquered the World
Quick Plot Summary: Released in 1956, It Conquered the World is a Science Fiction, Thriller, Horror film directed by Roger Corman, written by Charles B. Griffith. The narrative explores futuristic concepts and technological possibilities while examining humanity. It provides a scannable look at the movie's central conflict involving Lee Van Cleef as Dr. Tom Anderson.
Ending Explained: It Conquered the World
It Conquered the World Ending Explained: 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. Directed by Roger Corman, this 1956 science fiction film stars Lee Van Cleef (Dr. Tom Anderson), alongside Beverly Garland as Claire Anderson, Peter Graves as Dr. Paul Nelson, Sally Fraser as Joan Nelson. Rated 4.9/10, the conclusion has sparked discussion among viewers.
What Happens at the End of It Conquered the World?
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.
How Does Lee Van Cleef (Dr. Tom Anderson)'s Story End?
- Lee Van Cleef: Lee Van Cleef's storyline wraps up in the final act, though some viewers have found the resolution more ambiguous than expected.
- Beverly Garland (Claire Anderson): Beverly Garland's role in the climax proves pivotal to how the central conflict resolves.
- Peter Graves (Dr. Paul Nelson): Peter Graves's character undergoes a significant shift in the final act.
What Does the Ending of It Conquered the World Mean?
The ending of It Conquered the World brings the narrative to a close, though viewer reception has been mixed. The resolution of Lee Van Cleef's story may not satisfy all audiences.
It Conquered the World Real vs. Reel: Is it Based on a True Story?
Is It Conquered the World Based on a True Story?
No, It Conquered the World is a work of fiction. While the science fiction, thriller, horror film directed by Roger Corman and starring Lee Van Cleef may incorporate realistic themes, the characters and plot are original creations.
Who Should Watch It Conquered the World?
Age Advisory: Rated Not Rated.
Consider Watching If:
- You're a completist for Science Fiction films
- You're curious despite mixed reviews
- You have low expectations and want casual entertainment
At just 71 minutes, it's a quick watch.
It Conquered the World Parents Guide & Age Rating
1956 AdvisoryWondering about It Conquered the World age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of It Conquered the World (1956) is 71 minutes (1h 11m). Directed by Roger Corman, the film runs for 71 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 4.9/10, and global performance metrics, It Conquered the World is classified as a AVERAGE. It remains an essential part of the 1956 cinematic calendar.
Frequently Asked Questions
Is It Conquered the World worth watching?
It Conquered the World is definitely worth watching if you enjoy Science Fiction movies. It has a verified rating of 4.9/10 and stands as a AVERAGE in our box office analysis.
Where can I find It Conquered the World parents guide and age rating?
The official parents guide for It Conquered the World identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.
What is the runtime of It Conquered the World (1956)?
The runtime of It Conquered the World (1956) is 71 minutes (approximately 1h 11m).
movieMx Verified
This review has been verified for accuracy and editorial quality by our senior cinematic analysts.
This analysis is compiled by our editorial experts using multi-source verification and audience sentiment data for maximum accuracy.
