Cast 12
Ralph Richardson
David Preston
Margaret Leighton
Janet Preston
Campbell Singer
Inspector Hemingway
Jack Hawkins
Dr. Sparling
Michael Shepley
Major Watson
Frederick Piper
Solicitor Petheridge
Meriel Forbes
Peggy Dobson
Margaret Withers
Mrs. Watson
Gerald Case
Sergeant Evans
Diana Beaumont
Ellen
Archie Duncan
Station Sergeant (uncredited)
Johnnie Schofield
Joe Dobson (uncredited)
Crew 10
R.C. Sherriff
Theatre Play
Anatole de Grunwald
Screenplay
Ralph Richardson
Director
Maurice Cowan
Producer
Edward Scaife
Director of Photography
Jack Hildyard
Director of Photography
Bert Bates
Editor
Guy Hamilton
Assistant Director
Malcolm Arnold
Original Music Composer
Vincent Korda
Set Decoration