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Peter Graves as Chris Cronyn
Andrea King as Linda Cronyn
Herbert Berghof as Franz Calder
Walter Sande as Admiral Bill Carey
Marvin Miller as Arjenian
Willis Bouchey as President
Morris Ankrum as Secretary of Defense Sparks
Orley Lindgren as Stewart Cronyn
Bayard Veiller as Roger Cronyn
Robert House Peters, Jr. as Dr. Boulting, Mitchell's assistant

Directed by Harry Horner
Produced by Donald Hyde
Anthony Veiller
Screenplay by Anthony Veiller
John L. Balderston
Based on the play Red Planet
by John Hoare
John L. Balderston

Music by Mahlon Merrick
Cinematography Joseph Biroc
Edited by Francis D. Lyon
Distributed by United Artists
Release dates

May 15, 1952 (United States)

Running time
87 minutes
Country United States
Language English

Red Planet Mars is a 1952 science fiction film released by United Artists based on a 1932 play Red Planet written by John L. Balderston and John Hoare. It starred Peter Graves and Andrea King and was directed by art director Harry Horner in his directorial debut.


An American astronomer obtains images of Mars suggesting large-scale environmental changes are occurring at a pace that can only be accomplished by intelligent beings with advanced technology. At the same time a colleague claims to have been contacting Mars by radio, first through an exchange of mathematical concepts and then through answers to specific questions. The transmissions claim that Mars is a utopia.

This revelation leads to political and economic chaos, especially in the Western hemisphere. The U.S. government imposes a news blackout after the first four messages, only to reveal much later that Earth's people can be saved if they return to the worship of God. Revolution sweeps the globe, including the Soviet Union.

But doubts about the authenticity of the messages remain. An ex-Nazi who developed the original communication device prototype wants to announce that he has been duping the Americans with false messages from a secret Soviet-funded radio transmitter high in the Andes mountains of South America. The mystery thickens as it appears the messages may have continued even after the secret transmitter was destroyed in an avalanche.


When the film was released, the staff at Variety liked the film, writing, "Despite its title, Red Planet Mars takes place on terra firma, sans space ships, cosmic rays or space cadets. It is a fantastic concoction [from a play by John L. Balderston and John Hoare] delving into the realms of science, politics, religion, world affairs and Communism...Despite the hokum dished out, the actors concerned turn in creditable performances."

The New York Times, while giving the film a mixed review, wrote well of some of the performances, "Peter Graves and Andrea King are serious and competent, if slightly callow in appearance, as the indomitable scientists. Marvin Miller is standard as a top Soviet agent, as are Walter Sande, Richard Powers and Morris Ankrum, as Government military men, and Willis Bouchey, as the President. "

More recently, critic Bruce Eder also praised the film, writing, "Red Planet Mars is an eerily fascinating artifact of the era of the Red Scare, and also the first postwar science fiction boom, combining those elements into an eerie story that is all the more surreal because it is played with such earnestness."

Yet, film critic Dennis Schwartz recently panned the film, writing, "One of the most obnoxious sci-fi films ever. It offers Hollywood's silly response to the 1950s 'Red Scare' sweeping the country and promoted by the McCarthy senate hearings looking for commies under every bed cover. To realize how dumb this Cold War film is, try this question of the plot's summary on for size: Can it be that the Martians are signaling Earth and that their leader is actually uttering the very word of God?

This is one of those really bad propaganda films that has no entertainment value, as it shows how paranoic this country can be and how it can use religion at the drop of a radio signal to promote materialism and Christianity as a superior way of life than communism. This one might be the strangest and most twisted Red Menace films of all time. It ends with a hydrogen explosion in the lab killing two good American scientists and one lousy ex-Nazi scientist now working for the Russian Communists. The last message heard from Mars is an abbreviated one (thank God!): 'Ye have done well my good ...' then there is just silence. The film leaves one with the impression that Mars is ruled by God."