Full Credits
28 members

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
Alan Rolfe
Inspector

Roger Delgado
Marlowe
Reed De Rouen
Heath

Delphi Lawrence
Chelsea
Christine Forrest
Blonde
Ann Hanslip
Jane, model with shoulder-length hair
Davy Leon
George
Dorothy Robson
A Seamstress
Leo Phillips
Harry, the Night Watchman
Robert Moore
Stevenson
Denis Cowles
Commissionaire
John H. Watson
Chauffeur
Cleo Rose
Vivian
Cab Kaye
Self - Singer-Pianist (uncredited)
John Lynn
Nightclub Patron (uncredited)
Jack Mandeville
Fashion Show Attendee (uncredited)
Ernie Priest
Policeman (uncredited)
19 members
Terence Fisher
Director
Jimmy Sangster
Assistant Director
Renée Glynne
Script Supervisor
Jan Read
Screenplay
Mickey Delamar
Production Manager
Michael Carreras
Producer
Len Harris
Camera Operator
Walter J. Harvey
Director of Photography
Molly Terraine
Dialogue Editor
Ivor Slaney
Music Director
Bill Salter
Sound Recordist
George Burgess
Sound Recordist
Ivor Slaney
Original Music Composer
J. Elder Wills
Art Direction
Molly Arbuthnot
Wardrobe Master
Nina Broe
Hairstylist
Ben Pearson
Costume Design
Philip Leakey
Makeup Artist
Maurice Rootes
Editor