Cast
Reginald Beckwith
Harold
Brown Derby
Police Sergeant (uncredited)
Terence Morgan
Inspector Ralph Brown
Yolande Donlan
Jill Wilson
Guido Lorraine
Pietr Revski
Basil Dignam
Wing Commander Riddle
Fred Johnson
Professor Robinson-Heston
Arnold Marlé
Karl Kopek
Jim Brady
Nick's Thug (uncredited)
André Morell
Robert Isaac Pitt
Mark Dignam
Prison Governor
John Horsley
Assistant Commissioner