An American agent discovers that the Red Chinese have built a secret atomic city from which they will attempt to invade America.

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Main Cast: John Ericson, Bernardina Sarrocco, Manolita Barroso, Carlo Hintermann, Beni Deus, José Manuel Martín, Erika Blanc, Dario Michaelis, Franco Ressel, Tullio Altamura

Director: Domenico Paolella

Writers: Víctor Auz, José López Moreno, Domenico Paolella, Vinicio Marinucci

Editor: Antonietta Zita

Cinematographers: Francisco Sánchez, Marcello Masciocchi

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