When $300,000,000 in diamonds are stolen from a fiery plane wreck the British Government become concerned that it might be part of a plot to undermine the value of sterling. They hire professional photographer, amateur lady-killer, and undercover agent Steve Norton to investigate.
Richard Harrison
as Steve Norton
Alida Chelli
as Ulla Helger
Luis Dávila
as Gustav
Diana Lorys
as Huguette
Franco De Rosa
as Capitano Darvi
Rosalba Neri
as Margot
Audrey McDonald
as Mrs. Van der Hoven
Roberto Spiombi
as Dupuis
Alberto Plebani
as Van der Hoven
José Marco
as Larry Brooks
Enrico Canestrini
as Edward Dwight
Ángel Menéndez
as Yacht Captain
