An American agent discovers that the Red Chinese have built a secret atomic city from which they will attempt to invade America.
John Ericson
Bernardina Sarrocco
Manolita Barroso
Carlo Hintermann
Beni Deus
José Manuel Martín
Erika Blanc
Dario Michaelis
Franco Ressel
Tullio Altamura
Dario De Grassi
Mino Doro
Luigi Tosi
Cristina Gaïoni
Silvana Bacci
Tina Conte
Consalvo Dell'Arti
Renato Terra