Narrator (voice)

John Nesbitt

Acting

Dr. Semmelweis

Shepperd Strudwick

Acting

Doctor (uncredited)

Rudolph Anders

Acting

Passerby (uncredited)

King Baggot

Acting

Passerby (uncredited)

William Bailey

Acting

Nun Reading Book (uncredited)

Barbara Bedford

Acting

Medical Student at Lecture (uncredited)

Ralph Brooks

Acting

Young Stricken Mother (uncredited)

Mary Howard

Acting

Semmelweis' Assistant (uncredited)

Leonard Penn

Acting

Passerby (uncredited)

Beatrice Roberts

Acting

Hospital Chief of Staff (uncredited)

Edward Van Sloan

Acting

Professor (uncredited)

E. Alyn Warren

Acting