Eric Portman

Paul Mangin

Edana Romney

Mifanwy

Barbara Mullen

Veronica

Hugh Sinclair

Owen Rhys

Bruce Belfrage

Sir David Conway

Joan Maude

Caroline Hart

Leslie Weston

Mortimer

Alan Wheatley

Edgar Orsen

Hugh Latimer

Bing

John Penrose

Brandy

Christopher Lee

Charles

Lois Maxwell

Lois

Mavis Villiers

Babs

Thora Hird

Visitor in Tussauds

Valentine Dyall

Counsel for the Defence (uncredited)

Susanne Gibbs

Gwendoline (uncredited)

Noel Howlett

Psychiatrist (uncredited)

Gordon McLeod

Public Prosecutor (uncredited)

Terence Young

Director

Christopher Massie

Novel

Rudolph Cartier

Producer

André Thomas

Director of Photography

Rudolph Cartier

Screenplay

Edana Romney

Screenplay

Maggy Rouff

Seamstress

Georges Auric

Original Music Composer

Douglas Myers

Editor

Terence Verity

Art Direction

J.S. Davie

Sound Recordist

Serge Piménoff

Production Design

Ann Besserman

Continuity

Gerry Fairbank

Makeup Supervisor

Mancini

Hair Supervisor

Sam Lee

Production Manager

Nicolas Wilcke

Special Effects

Walter Limot

Still Photographer

Owen Hyde-Clark

Costume Design