John Nesbitt
Narrator (voice)
Acting
Shepperd Strudwick
Dr. Semmelweis
Acting
Rudolph Anders
Doctor (uncredited)
Acting
King Baggot
Passerby (uncredited)
Acting
William Bailey
Passerby (uncredited)
Acting
Barbara Bedford
Nun Reading Book (uncredited)
Acting
Ralph Brooks
Medical Student at Lecture (uncredited)
Acting
Mary Howard
Young Stricken Mother (uncredited)
Acting
Leonard Penn
Semmelweis' Assistant (uncredited)
Acting
Beatrice Roberts
Passerby (uncredited)
Acting
Edward Van Sloan
Hospital Chief of Staff (uncredited)
Acting
E. Alyn Warren
Professor (uncredited)
Acting