Riven

Tom Conway

as Tom Conway, Private Investigator

Mila Parély

as Helen Pascall

Naomi Chance

as Gina, a model

Eric Pohlmann

as Mr. Mercedes

Andrew Osborn

as Capt. Colin Simpson

Richard Wattis

as Detective Inspector MacLeod

Margaret Halstan

as Lady Marchant

Eileen Way

as Mme. Fernande

Michael Ripper

as Eddie

Betty Cooper

as Miss Betty, Showroom Mistress

Thomas Heathcote

as Detective Sgt. Jessup

Alan Rolfe

as Inspector

Roger Delgado

as Marlowe

Reed De Rouen

as Heath

Delphi Lawrence

as Chelsea

Christine Forrest

as Blonde

Ann Hanslip

as Jane, model with shoulder-length hair

Davy Leon

as George

Dorothy Robson

as A Seamstress

Leo Phillips

as Harry, the Night Watchman

Robert Moore

as Stevenson

Denis Cowles

as Commissionaire

John H. Watson

as Chauffeur

Cleo Rose

as Vivian

Cab Kaye

as Self - Singer-Pianist (uncredited)

John Lynn

as Nightclub Patron (uncredited)

Jack Mandeville

as Fashion Show Attendee (uncredited)

Ernie Priest

as Policeman (uncredited)

Terence Fisher

Director

Len Harris

Camera Operator

Mickey Delamar

Production Manager

Molly Terraine

Dialogue Editor

Jimmy Sangster

Assistant Director

Molly Arbuthnot

Wardrobe Master

Ivor Slaney

Music Director

Michael Carreras

Producer

Renée Glynne

Script Supervisor

J. Elder Wills

Art Direction

Nina Broe

Hairstylist

Jan Read

Screenplay

Walter J. Harvey

Director of Photography

Ben Pearson

Costume Design

Philip Leakey

Makeup Artist

Maurice Rootes

Editor

Bill Salter

Sound Recordist

George Burgess

Sound Recordist

Ivor Slaney

Original Music Composer