Graf
Hans Eckhart
Dr. Morell
Karl Wieck
Dr. Kessler
Dr. Erich Heinrich
John Merriman
Dr. Carl Metz
Mr. Louis Horvat
Sermaine
Dr. Krauss
Prof. Zimmelman
Dr. Tabor
Nicholas Cadiz
Dr. Zeitman
Vidal
Commodore Renard
Col. Schuman (uncredited)
German Doctor (uncredited)
Lukats
Count Franz Von Papen
Pierquin
Prosecuting Attorney
German Doctor
Peter Goltzen
'Shiv' Triano
Joseph - Gray & Isabel's Butler
Dr. Ludwig
Rudolph Kruger
Gunther Rudehoff, Gestapo Agent
Overkamp
Major von Falken
Polish Ambassador Grzybowski (uncredited)
Herr Kesselman
German Captain
Commander Deutschland
KL Physician (uncredited)
German
German Radio Operator
