Anton Diffring

Dr. Schuler

Erika Remberg

Elissa Caro

Yvonne Monlaur

Nicole Vanet

Donald Pleasence

Vanet

Jane Hylton

Angela

Kenneth Griffith

Martin

Conrad Phillips

Inspector Arthur Ames

Jack Gwillim

Supt. Andrews

Vanda Hudson

Magda von Meck

Yvonne Romain

Melina

Colette Wilde

Evelyn Morley

William Mervyn

Dr. Morley

Peter Swanwick

Inspector Knopf

Carla Challoner

Nicole (as a Child)

Kenny Baker

Dwarf

Walter Gotell

Baron Von Gruber

Kenneth J. Warren

First Roustabout

Jack Carson

Chief Eagle Eye

Glyn Houston

Carnival Barker (uncredited)

Reg Thomason

Roustabout (uncredited)

Arthur Dibbs

Circus Audience Member (uncredited)

Sidney Hayers

Director

George Baxt

Screenplay

Samuel Z. Arkoff

Producer

Leslie Parkyn

Producer

Julian Wintle

Producer

Douglas Slocombe

Director of Photography

Reginald Mills

Editor

Sidney Hayers

Editor

Norman Priggen

Associate Producer

Muir Mathieson

Original Music Composer

Franz Reizenstein

Original Music Composer

Jack Shampan

Art Direction

Trevor Crole-Rees

Makeup Artist

Maude Onslow

Hairstylist

Lionel Selwyn

Sound Editor

Len Page

Sound Recordist

Ken Cameron

Sound Recordist

Morris Angel

Costume Design

Vi Murray

Wardrobe Master

Harry Ledger

Assistant Editor

Charles Permane

Production Manager

Lynx Films Ltd.