Walter Tschanz (as John Voight)
Anna Crawley
Hans Bärlach
Richard Gastmann
Oskar von Schwendi
Lamont Friedrich
Gastmann's Mother
Dr. Lucius Lutz
Bodyguard 1
Bodyguard 2
Dr. Samuel Hungertobel
Nadine
Coroner
Alphons Clenin
Frau Schönler
Blatter
Old Lady
Taxi Driver
Robert Schmied on Audiotape (voice) (uncredited)
Corpse of Lt. Robert Schmied (uncredited)
Violinist (uncredited)