Kadro (12)
John NesbittNarrator (voice)
Shepperd StrudwickDr. Semmelweis
Rudolph AndersDoctor (uncredited)
King BaggotPasserby (uncredited)
William BaileyPasserby (uncredited)
Barbara BedfordNun Reading Book (uncredited)
Ralph BrooksMedical Student at Lecture (uncredited)
Mary HowardYoung Stricken Mother (uncredited)
Leonard PennSemmelweis' Assistant (uncredited)
Beatrice RobertsPasserby (uncredited)
Edward Van SloanHospital Chief of Staff (uncredited)
E. Alyn WarrenProfessor (uncredited)