Calificación
Reparto

Montgomery Clift
Professor James Bower

Hardy Krüger
Counselor Peter Heinzmann

Macha Méril
Frieda Hoffmann

David Opatoshu
Orlovsky

Christine Delaroche
Ingrid Weiß

Hannes Messemer
Dr. Saltzer

Karl Lieffen
Major Windisch

Uta Levka
Mädchen unter der Dusche

Roddy McDowall
Agent Adams

Johannes Buzalski
Agent (uncredited)

Eckart Dux
Professor James Bower (voice) (uncredited)

Jean-Luc Godard
Orlovsky's Friend (uncredited)

Eduard Linkers
Fluchthelfer Franz Ritter (uncredited)

Franz Rudnick
Dr. Saltzer (voice) (uncredited)

Rolf Zacher
Tommy (uncredited)