cast
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Edward G. Robinson
Dr. Paul Ehrlich
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Ruth Gordon
Mrs. Ehrlich
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Otto Kruger
Dr. Emil Von Behring
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Donald Crisp
Minister Althoff
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Maria Ouspenskaya
Franziska Speyer
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Montagu Love
Professor Hartmann
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Sig Ruman
Dr. Hans Wolfert
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Donald Meek
Mittelmeyer
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Henry O'Neill
Dr. Lentz
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Albert Bassermann
Dr. Robert Koch
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Edward Norris
Dr. Morgenroth
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Harry Davenport
Judge
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Louis Calhern
Dr. Brockdorf
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Louis Jean Heydt
Dr. Kunze
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Charles Halton
Sensenbrenner
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Irving Bacon
Becker
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Douglas Wood
Speidler
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Theodore von Eltz
Dr. Kraus
-
Hermine Sterler
Miss Marquardt
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Louis Adlon
Hospital Attendant
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Herbert Anderson
Medical Assistant
- Louis V. Arco Dr. Bertheim
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Egon Brecher
Martl
-
Cliff Clark
Haupt
- Gretl Dupont Mother
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Lisa Golm
Nurse
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John Hamilton
Hirsch
- Ludwig Hardt Court Clerk
- Wilfred Hari Dr. Hata
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Paul Harvey
Defense Attorney
- Ernst Hauessermann Hans Weisgart
- John Henrick Dr. Bucher
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Stuart Holmes
Male Nurse
- Frank Jaquet Banker
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Frank Lackteen
Arab Man
- Rolf Lindau Patient
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Frank Mayo
Assistant in Hospital
- Frederic Mellinger Court Stenographer
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Greta Meyer
Female Nurse
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Torben Meyer
Kadereit
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Howard M. Mitchell
Dr. Virchow
- Norman Phillips Jr. Stable Boy
- Paul Phillips Patient
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Frank Reicher
Old Man
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Hedwiga Reicher
Nurse
- Elaine Renshaw Arab Woman
- Walter O. Stahl Doctor
- Robert R. Stephenson Merk - Patient
- Rolla Stewart Steffi
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Robert Strange
Koerner
-
Ann E. Todd
Marianne
-
Brandon Tynan
Doctor
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Wilhelm von Brincken
Officer
- Gisela Werbisek Mother
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Wolfgang Zilzer
Kellner