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The Day the Earth Stood Still (1951)

Approved  |   |  Sci-Fi  |  28 September 1951 (USA)
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Ratings: 7.8/10 from 61,417 users  
Reviews: 388 user | 161 critic

An alien lands and tells the people of Earth that they must live peacefully or be destroyed as a danger to other planets.



(screen play), (based on a story by)
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Title: The Day the Earth Stood Still (1951)

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Won 1 Golden Globe. Another 2 wins & 1 nomination. See more awards »



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Complete credited cast:
Billy Gray ...
Lock Martin ...


An alien (Klaatu) with his mighty robot (Gort) land their spacecraft on Cold War-era Earth just after the end of World War II. They bring an important message to the planet that Klaatu wishes to tell to representatives of all nations. However, communication turns out to be difficult, so, after learning something about the natives, Klaatu decides on an alternative approach. Written by Bruce Janson <>

Plot Summary | Plot Synopsis


What is this invader from another planet... Can it destroy the Earth? See more »




Approved | See all certifications »

Parents Guide:





| | |

Release Date:

28 September 1951 (USA)  »

Also Known As:

El día que paralizaron la Tierra  »

Box Office


$1,200,000 (estimated)

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:

(Western Electric Recording)

Aspect Ratio:

1.37 : 1
See  »

Did You Know?


Although he was already signed to play the Einstein-like Professor Barnhardt, the studio wanted to remove Sam Jaffe as a result of the political witch hunts that were then underway. Producer Julian Blaustein appealed to studio chief Darryl F. Zanuck. Zanuck allowed Jaffe to play the role, but it would be Jaffe's last Hollywood film until the late 1950s. See more »


While interrupting the worlds electricity would stop cars that run on gasoline, it would not effect diesel vehicles since their engines use compression to run and not an electrical spark. See more »


[first lines]
American Radar Operator: Holy Mackerel! Call headquarters. Get the lieutenant.
See more »

Crazy Credits

Elmer Davis, H.V. Kaltenborn, and Drew Pearson identify themselves when they appear on screen. Radio personality Gabriel Heatter is identified by an announcer. See more »


Referenced in 17 Again (2009) See more »

Frequently Asked Questions

See more (Spoiler Alert!) »

User Reviews

One of the top Sci-Fi movies ever made.
27 October 2000 | by (Cloverdale, CA) – See all my reviews

The cast, story,and directing all combine to make this one of the best all time science fiction movies ever made. Seamless entertainment and a hold-your-breath climax will keep you on the edge of you seat until the last moment. A benevolent space man comes to earth to deliver the message,"learn to live together or else..." What can the consequences possibly be? This is a must-see and is suitable for all ages. Don't forget what to say to prevent the annihilation of earth.

55 of 72 people found this review helpful.  Was this review helpful to you?

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