Dr. Schuler

Anton Diffring

Acting

Elissa Caro

Erika Remberg

Acting

Nicole Vanet

Yvonne Monlaur

Acting

Vanet

Donald Pleasence

Acting

Angela

Jane Hylton

Acting

Martin

Kenneth Griffith

Acting

Inspector Arthur Ames

Conrad Phillips

Acting

Supt. Andrews

Jack Gwillim

Acting

Magda von Meck

Vanda Hudson

Acting

Melina

Yvonne Romain

Acting

Evelyn Morley

Colette Wilde

Acting

Dr. Morley

William Mervyn

Acting

Inspector Knopf

Peter Swanwick

Acting

Nicole (as a Child)

Carla Challoner

Acting

Dwarf

Kenny Baker

Acting

Baron Von Gruber

Walter Gotell

Acting

First Roustabout

Kenneth J. Warren

Acting

Chief Eagle Eye

Jack Carson

Acting

Carnival Barker (uncredited)

Glyn Houston

Acting

Roustabout (uncredited)

Reg Thomason

Acting

Circus Audience Member (uncredited)

Arthur Dibbs

Acting