Terence Fisher

Director

Tom Conway

Tom Conway, private investigator

Mila Parély

Helen Pascall

Naomi Chance

Gina, a model

Eric Pohlmann

Mr. Mercedes

Andrew Osborn

Capt. Colin Simpson

Richard Wattis

Detective Inspector MacLeod

Margaret Halstan

Lady Marchant

Eileen Way

Mme. Fernande

Michael Ripper

Eddie

Betty Cooper

Miss Betty, showroom mistress

Thomas Heathcote

Detective Sgt. Jessup

Roger Delgado

Marlowe, murderer-thief

Reed De Rouen

Heath

Delphi Lawrence

Chelsea, a model

Christine Forrest

Blonde

Ann Hanslip

Jane, model with shoulder-length hair

Davy Leon

George

Alan Rolfe

Inspector

Jan Read

Writer