"An American agent discovers that the Red Chinese have built a secret atomic city from which they will attempt to invade America."
John Ericson
as George Steele
Bernardina Sarrocco
as Alvia (as Berna Rock)
Manolita Barroso
as Fatima
Carlo Hintermann
as Prof. Gunther Reisch
Beni Deus
as Ben Ullah
José Manuel Martín
as Nailawi
Erika Blanc
as Malvina
Dario Michaelis
as RIU Agent
Franco Ressel
as Fritz (as Frank Ressel)
Tullio Altamura
as Dignitary in Court (as Rullio Altamura)
Dario De Grassi
as Yussef
Mino Doro
as Solis (as Nino Doro)
Luigi Tosi
as Azul (as Gigi Tosi)
Cristina Gaïoni
as Rosie (as Cristina Gajoni)
Silvana Bacci
as Alvia's Handmaid (uncredited)
Tina Conte
as Singer in Bar (uncredited)
Consalvo Dell'Arti
as RIU Agent (uncredited)
Renato Terra
as Fatima's Henchman (uncredited)
Ferdinando Felicioni
Producer
Teo Usuelli
Music
Domenico Paolella
Story
Francisco Sánchez
Director of Photography
Tersicore Kolosoff
Assistant Director
Víctor Auz
Screenplay
Elio Micheli
Costume Design
Giulio Pappagallo
Production Supervisor
Camillo Del Signore
Set Decoration
Bernardino Fronzetti
Sound Engineer
Vinicio Marinucci
Antonietta Zita
Editor
Director
José López Moreno
Marcello Masciocchi
Antonio Sanz
Production Manager
Production Design
Antonio Grilli
Special Effects
Antonio Schiavo Lena
Camera Operator
Adaptation