Herbert Lom
Maurice Meister
Donald Wolfit
Dr. Lomond
Mai Zetterling
Lisa
Greta Gynt
Cora Ann Milton
William Hartnell
Sam Hackett
Norman Wooland
Inspector Bliss
Denholm Elliott
John Lemley
Dora Bryan
Mrs. Hackett
Charles Victor
Inspector Wembury
Walter Fitzgerald
Commissioner
John Stuart
Gardener
John Slater
Bell
Edward Chapman
Stranger
Campbell Singer
Station Sergeant Carter
Crew
Guy Hamilton
Director
Edgar Wallace
Theatre Play
Lesley Storm
Screenplay
Val Valentine
Screenplay
Hugh Perceval
Producer
Bert Bates
Editor
William Hutchinson
Production Design
Joseph Bato
Costume Design
Edward Scaife
Director of Photography
Malcolm Arnold
Original Music Composer
Ken Ritchie
Boom Operator
Eileen Bates
Hairdresser
Robert Day
Camera Operator
Gerry Fisher
Assistant Camera
Muir Mathieson
Music Director