A murderer hopes to escape his death sentence by identifying the leaders of a spy ring.
as Inspector Ralph Brown
as Jill Wilson
as Inspector Newcombe
as Robert Isaac Pitt
as Harold
as Antonia Pitt
as Pietr Revski
as Wing Commander Riddle
as Sir Robert Rosper
as Professor Robinson-Heston
as Karl Kopek
as Prison Governor
as Assistant Commissioner
as Eric Colter
as Young Woman
as Pitt's Maid (uncredited)
as Police Sergeant (uncredited)
as Chertwell Security Guard (uncredited)
as Nick (uncredited)
as Waiter (uncredited)
as Brown's Driver (uncredited)
as Head Waiter (uncredited)
as Nick's Thug (uncredited)
as Detective Sergeant Enders (uncredited)