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