This was the day the universe trembled before the demon forces of the killer planet!

After landing on a mysterious planet, a team of astronauts begin to turn on each other, swayed by the uncertain influence of the planet and its strange inhabitants.

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Main Cast: Barry Sullivan, Norma Bengell, Ángel Aranda, Evi Marandi, Stelio Candelli, Franco Andrei, Fernando Villena, Mario Morales, Ivan Rassimov, Federico Boido

Director: Mario Bava

Writers: Callisto Cosulich, Ib Melchior, Mario Bava, Alberto Bevilacqua, Rafael J. Salvia, Antonio Román

Editors: Romana Fortini, Antonio Gimeno

Cinematographer: Antonio Rinaldi

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