A British woman on a visit to post-war Berlin is caught up in an espionage ring smuggling secrets into and out of the Eastern Bloc.
Claire Bloom
Suzanne Mallison
James Mason
Ivo Kern
Hildegard Knef
Bettina
Geoffrey Toone
Martin Mallison
Hilde Sessak
Lizzi
Aribert Wäscher
Halendar
Ernst Schröder
Olaf Kastner
Dieter Krause
Horst
Karl John
Inspector Kleiber
Ljuba Welitsch
Opera singer
Reinhard Kolldehoff
Kolldehoff EaEasstern German Police Officer commanding the hunt for Ivo Kern and Susanne Mallison (uncredited)
Frederick Schiller
Construction Worker on Generator (uncredited)
Emile Stemmler
Waiter in Restaurant (uncredited)
