"An inventor of a deadly weapon to be used against the allies is injured in a crash. Surgeon, Sir James (Sebastian Shaw) saves his life but learns of the inventors plot."
Sebastian Shaw
as Sir James Quentin
Derrick De Marney
as Captain John Mellish
Patricia Roc
as Pat Quentin
Arthur Hambling
as Ginger Brown
Cameron Hall
as Badger Wood
John Turnbull
as Inspector Gill
Peter Gawthorne
as General Bullington
André Morell
as Charles Klein
Jack Vyvyan
as Sgt. Wells
Meinhart Maur
as Karl Zaroff
Scott Harrold
as Ted Blacklock
Basil Cunard
as Dr. Fairlie
Charles Oliver
as Johnson
Ian Fleming
as Pennington
Hugh Dempster
as Nelson
F.B.J. Sharp
as The Coroner
Billy Watts
as Fernald
Kay Lewis
as Nurse
Marjorie Taylor
Barbara Lott
Thomas Bentley
Director
Dudley Leslie
Screenplay
F.W. Baker
Producer
Jack Byrd
Geoffrey Faithfull
Director of Photography
E.S. Laurie
Production Manager
Cecil Dixon
Assistant Director
Arthur Grant
Camera Operator
Daniel Birt
Associate Producer
Cecil H. Williamson
Editor
R. Holmes Paul
Art Direction
Hal Fuller
Sound Recordist