Joe Christopher, an American ex-cop living in London, helps out British Intelligence following a suicide which sets him on the trail of a blackmailer known only as Scorpio.Joe Christopher, an American ex-cop living in London, helps out British Intelligence following a suicide which sets him on the trail of a blackmailer known only as Scorpio.Joe Christopher, an American ex-cop living in London, helps out British Intelligence following a suicide which sets him on the trail of a blackmailer known only as Scorpio.
Oscar Beregi Jr.
- Philippe Soriel (Scorpio)
- (as Oscar Beregi)
Benjie Bancroft
- Meeting Guest
- (uncredited)
Ivor Barry
- Rt. Hon. John Murney
- (uncredited)
