A secret agent is sent to infiltrate the heavily guarded fortress of a madman bent on taking over the world.

• Balcázar
• Cinematografica Associati
• George Ardisson
• Lena von Martens
• Hélène Chanel
• Joaquín Díaz
• Emilio Messina
• Ángel Grey
• Ricardo Rodríguez
• Umberto Raho