Claire Bloom

Character: Suzanne Mallison

James Mason

Character: Ivo Kern

Hildegard Knef

Character: Bettina

Geoffrey Toone

Character: Martin Mallison

Hilde Sessak

Character: Lizzi

Aribert Wäscher

Character: Halendar

Ernst Schröder

Character: Olaf Kastner

Dieter Krause

Character: Horst

Karl John

Character: Inspector Kleiber

Ljuba Welitsch

Character: Opera singer

Reinhard Kolldehoff

Character: Kolldehoff EaEasstern German Police Officer commanding the hunt for Ivo Kern and Susanne Mallison (uncredited)

Frederick Schiller

Character: Construction Worker on Generator (uncredited)

Emile Stemmler

Character: Waiter in Restaurant (uncredited)