Dr. Ehrlich's Magic Bullet

Edward G. Robinson

Dr. Paul Ehrlich

Ruth Gordon

Mrs. Ehrlich

Otto Kruger

Dr. Emil Von Behring

Donald Crisp

Minister Althoff

Maria Ouspenskaya

Franziska Speyer

Montagu Love

Professor Hartmann

Sig Ruman

Dr. Hans Wolfert

Donald Meek

Mittelmeyer

Henry O'Neill

Dr. Lentz

Albert Bassermann

Dr. Robert Koch

Edward Norris

Dr. Morgenroth

Harry Davenport

Judge

Louis Calhern

Dr. Brockdorf

Louis Jean Heydt

Dr. Kunze

Charles Halton

Sensenbrenner

Irving Bacon

Becker

Douglas Wood

Speidler

Theodore von Eltz

Dr. Kraus

Hermine Sterler

Miss Marquardt

Louis Adlon

Hospital Attendant

Herbert Anderson

Medical Assistant

Louis V. Arco

Dr. Bertheim

Egon Brecher

Martl

Cliff Clark

Haupt

Gretl Dupont

Mother

Lisa Golm

Nurse

John Hamilton

Hirsch

Ludwig Hardt

Court Clerk

Wilfred Hari

Dr. Hata

Paul Harvey

Defense Attorney

Ernst Hauessermann

Hans Weisgart

John Henrick

Dr. Bucher

Stuart Holmes

Male Nurse

Frank Jaquet

Banker

Frank Lackteen

Arab Man

Rolf Lindau

Patient

Frank Mayo

Assistant in Hospital

Frederic Mellinger

Court Stenographer

Greta Meyer

Female Nurse

Torben Meyer

Kadereit

Howard M. Mitchell

Dr. Virchow

Norman Phillips Jr.

Stable Boy

Paul Phillips

Patient

Frank Reicher

Old Man

Hedwiga Reicher

Nurse

Elaine Renshaw

Arab Woman

Walter O. Stahl

Doctor

Robert R. Stephenson

Merk - Patient

Rolla Stewart

Steffi

Robert Strange

Koerner

Ann E. Todd

Marianne

Brandon Tynan

Doctor

Wilhelm von Brincken

Officer

Gisela Werbisek

Mother

Wolfgang Zilzer

Kellner