with the rest of the project staff. She and Rampion barely escape the test site in time to observe the fiery birth of a second moon. Its release stops the crack, and the Earth survives. Cast Dana Andrews as Dr. Stephen Sorensen Janette Scott as Dr. Maggie Sorensen Kieron Moore as Dr. Ted Rampion Alexander Knox as Sir Charles Eggerston Production Shooting took place in and around Madrid, which was chosen for its lower production costs. Production lasted about seven weeks. The film's technical adviser was producer Glasser's neighbor, a geologist. Reception Variety wrote that it was more believable than the usual science fiction premise and praised its special effects. Howard Thompson of The New York Times called it "the best science-fiction thriller this year". Time Out London called it "awesomely credible" and described the ending's imagery as disturbing. See also List of American films of 1965 Dante's Peak The Core References External links 1965 films 1960s science fiction films 1960s disaster films American disaster films Apocalyptic films Paramount Pictures films Films shot in Spain Films directed by Andrew Marton Films set in London Films set in Tanganyika Films scored by Johnny Douglas 1960s English-language films 1960s American films