
An underhand solicitor receives threatening notes, and the police are called in to protect him.
Cast

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
Lesley Storm
Screenplay
Val Valentine
Screenplay
Bert Bates
Editor
Edward Scaife
Director of Photography
Hugh Perceval
Producer
William Hutchinson
Production Design

Robert Day
Camera Operator

Gerry Fisher
Assistant Camera
Joseph Bato
Costume Design
Eileen Bates
Hairdresser
Ken Ritchie
Boom Operator

Malcolm Arnold
Original Music Composer
Muir Mathieson
Music Director

Edgar Wallace
Theatre Play
















