"Men from Scotland Yard and military intelligence build a dossier on a sabotage ring."
Liam Redmond
as Cmdr. Robert Brennan
André Morell
as Supt. Folland
Kenneth Griffith
as Jimmy Ellis
Anthony Bushell
as Maj. Elliott
Mary Morris
as Anna Braun
Joan Hickson
as Mrs. Ellis
Anthony Nicholls
as Grant Mansfield
Geoffrey Keen
as Morgan Williams
John Bailey
as Stringer
Patric Doonan
as George Ellis
Dora Bryan
as Mrs. Bowers
Stuart Lindsell
as Commissioner
John Harvey
as Scotland Yard Man
Charles Lloyd Pack
as Percy Ward
Laurence Naismith
as Reginald Gordon-Wells
Jack McNaughton
as
Julian Amyes
Alfie Bass
Hélène Burls
Basil Cunard
Harry Fowler
Everley Gregg
George Hilsdon
Glyn Houston
Douglas Ives
Moultrie Kelsall
Sam Kydd
Victor Maddern
Julien Mitchell
Julian Somers
Marianne Stone
John Warwick
Lockwood West
Bruce Seton
as (uncredited)
Richard Shaw
as Man Dining in Cafe (uncredited)
Howard Lang
as Policeman Discovering Jimmy's Body (uncredited)
Roy Boulting
Screenplay
Director
Frank Harvey
Alex Vetchinsky
Set Decoration
Max Benedict
Editor
Paul Soskin
Producer
Gilbert Taylor
Director of Photography
Biddy Chrystal
Hairstylist
John Addison
Music
W.T. Partleton
Makeup Artist
Ray Sturgess
Camera Operator
