"British intelligence officers head off a Nazi plot to kidnap an atomic scientist."
Robert Newton
as Capt. David Grant
Raymond Lovell
as Paul Faber
Guy Middleton
as Capt. Tony Hunter
Muriel Pavlow
as Marion Decker
Herbert Lom
as Keitel
John Ruddock
as Bowman
Martin Miller
as Professor Hansen
Brenda Bruce
as Lily Leggett
Gerald Case
as Inspector Emerson
Scott Forbes
as Lieut. Allen (as Julian Dallas)
Leslie Dwyer
as George Leggett
Valentine Dyall
as Sir George Bell
Derek Elphinstone
as Naval Surgeon
Bruce Gordon
as Hood
Marius Goring
as Frederick Jannings
George Hirste
as Station Official
Hubert Leslie
as Ticket Collector
Olga Lindo
as Mrs. Coleman
Stuart Lindsell
as Inspector Martin
Gordon McLeod
as Inspector Longhurst
Joan Maude
as Sidney Vane
Lawrence O'Madden
as Captain Robert Wilson
Hay Petrie
as Station Master
Wilfrid Hyde-White
as Taxi Driver
Howard Douglas
as Hotel Porter (uncredited)
Johnnie Schofield
as Factory Watchman (uncredited)
John Stone
as Young Newlywed (uncredited)
Lawrence Huntington
Director
Robert Hall
Writer
Otto Heller
Director of Photography
Charles Williams
Original Music Composer
Ken Ritchie
Boom Operator
Laurie Lawrence
Production Manager
Flora Newton
Editor
