"In Britain, a man with a shady past uses his antiquities shop as a front for smuggled diamonds but his young shop-assistant starts blackmailing him, leading to murder and to a police investigation."
Oskar Homolka
as Desius Heiss
Derek Farr
as Robert Graham
Muriel Pavlow
as Margaret Heiss
Manning Whiley
as Corder Morris
Diana Dors
as Mildred
Kathleen Harrison
as Mrs. Catt
Garry Marsh
as Major Elliot
Kenneth Griffith
as Archie Fellows
Jan Van Loewen
as Professor Vanetti
Johnnie Schofield
as Inspector Robson
Irene Handl
as Ruby Towser
Katie Johnson
as Woman in Shop
Vi Kaley
as Flower Seller
David Keir
as Gentlemen Customer
James Knight
as Publican
Eliot Makeham
as Theatre Usher
Alexander Korda
Producer
Reginald Long
Screenplay
George King
Director
Edward Percy
Theatre Play
Katherine Strueby
Hone Glendinning
Director of Photography
George Melachrino
Original Music Composer
Jack N. Green
Third Assistant Director
Manuel del Campo
Editor
Bernard Robinson
Art Direction
Harold Richmond
Production Manager
W.H.O. Sweeney
Sound Supervisor
Drummond Drury
Camera Operator
Terry Hunter
Assistant Director
H. Holley
Makeup Artist
Nadine Faulkner
Hairdresser
Felix Evans
Costume Design