The Sinister Man

John Bentley

Superintendent Wills

Patrick Allen

Dr. Nelson Pollard

Jacqueline Ellis

Elsa Marlowe

Wilfrid Brambell

Lock-Keeper

John Glyn-Jones

Dr. Maurice Tarn

Jane Murdoch

Honeymoon Wife

Brian McDermott

Det. Sgt. Stillman

Gerald Andersen

Major Paul Amery

Edward Atienza

Clerk

Ric Young

Johnny Choto

Robert Lee

Mr. Nam Lee

Yvonne Buckingham

Miss Russell

William Gaunt

Mitch Hallam

Michael Deacon

Angus

Arnold Lee

Soyoki

John Horsley

Pathologist

Lesley Nunnerley

Vera Martin

Malcolm Russell

Joe Martin

Yvonne Shima

Tamaya

Keith Faulkner

Lock-keeper's Assistant

Edgar Wallace

Novel

Derek Holding

Editor

Clive Donner

Director

Jim O'Connolly

Associate Producer

Peter Mullins

Art Direction

Bert Mason

Cinematography

Robert Banks Stewart

Writer

Jack Greenwood

Producer

Michael Shah Dayan

Sound Editor

Hilda Fox

Hairdresser

Ronnie Curtis

Casting Director

Ronald Abbott

Sound Recordist

Eileen Welch

Wardrobe Supervisor

Sidney Rider

Sound Recordist

Herbert Smith

Camera Operator

Aldo Manganaro

Makeup Artist

Bert Pearl

Assistant Director

Charles Blackwell

Original Music Composer

Joe Levy

Production Manager