"A newlywed suspects her husband of being a Communist spy."
Robert Taylor
as Major Michael Curragh
Elizabeth Taylor
as Melinda Greyton
Robert Flemyng
as Captain Hugh Ladholme
Harold Warrender
as Colonel Hammerbrook
Honor Blackman
as Joyce
Marjorie Fielding
as Aunt Jessica
Thora Hird
as Broaders
Wilfrid Hyde-White
as Lord Pennistone
Marie Ney
as Lady Pennistone
Jack Allen
as Raglan
Helen Haye
as Lady Witheringham
Cicely Paget-Bowman
as Mrs Hammerbrook
Karl Stepanek
as Radek
Nicholas Bruce
as Alek
Cyril Smith
as Detective Inspector
Janette Scott
as Toby
Frank Clarke
Editor
Sally Benson
Screenplay
Victor Saville
Director
Adaptation
Arthur Hornblow Jr.
Producer
Freddie Young
Director of Photography
Tom Howard
Visual Effects
Alfred Junge
Art Direction
A.W. Watkins
Recording Supervision
Dora Wright
Production Manager
Skeets Kelly
Camera Operator
Humphrey Slater
Novel
Sash Fisher
Sound Recordist
Gerard Fairlie
John Wooldridge
Original Music Composer
