"An American veteran returns to England after WWII to learn that his London lover has become involved with a dangerous spy ring and their search for a limping sniper."
Lloyd Bridges
as Frank Prior
Moira Lister
as Pauline French
Alan Wheatley
as Inspector Braddock
Leslie Phillips
as Detective Cameron
Hélène Cordet
as Helene Castle
Tom Gill
as Stage Manager
Bruce Beeby
as Kendall Brown
Rachel Roberts
as Barmaid
Marjory Hume
as Landlady
Jean Marsh
as Landlady's Daughter
Robert Harrin
as The Magician
André van Gyseghem
as George, Stage Doorman
Lionel Blair
as The Dancer
Robert Harbin
Charles Botterill
as The Xylophonist
Verne Morgan
as Stone
Raymond Rollett
as Jonas
Irissa Cooper
as The Maid
Maxwell Gardner
as Airport Official
Jon Evans
as Police Scientist
Olive Lucius
as TV Hostess
Max Boisot
as The Child
Louise Cordet
Paul Beradi
as Party Guest (Uncredited)
Stephen Boyd
as Airport Traveller (Uncredited)
Richard Neller
Cedric Dawe
Art Direction
Peter Evans
Makeup Artist
Pearl Tipaldi
Hairdresser
Elsa Hatchett
Production Manager
Pat Kelly
Assistant Director
Douglas Hickox
Second Assistant Director
John Pitcher
Third Assistant Director
Jack Stevens
Assistant Art Director
Dave Drinkwater
Boom Operator
Paul Lecker
Kevin Sutton
Ron Robson
Camera Operator
Alec Mills
Clapper Loader
Dennis Reed
Still Photographer
Michael Scott
Manny Yospa
Focus Puller
Jenny Benson
Costume Design
Eric Robinson
Music Director
Cy Endfield
Director
Anthony Verney
Story
Ian Stuart Black
Screenplay
Reginald Long
Donald Ginsberg
Producer
Arthur Wilkinson
Original Music Composer
Jonah Jones
Director of Photography
Stanley Willis
Editor
Gladys Reeve
Continuity
Fred Mannin
Draughtsman