British intelligence officers head off a Nazi plot to kidnap an atomic scientist.
as Capt. David Grant
as Paul Faber
as Capt. Tony Hunter
as Marion Decker
as Keitel
as Bowman
as Professor Hansen
as Lily Leggett
as Inspector Emerson
as Lieut. Allen (as Julian Dallas)
as George Leggett
as Sir George Bell
as Naval Surgeon
as Hood
as Frederick Jannings
as Station Official
as Ticket Collector
as Mrs. Coleman
as Inspector Martin
as Inspector Longhurst
as Sidney Vane
as Captain Robert Wilson
as Station Master
as Taxi Driver
as Hotel Porter (uncredited)
as Factory Watchman (uncredited)
as Young Newlywed (uncredited)
