Directed by
| Fred Zinnemann | ||
Writing Credits
| Herman Boxer | ... | (screenplay) |
Cast (in credits order) verified as complete
| John Nesbitt | ... | Narrator (voice) | |
| Shepperd Strudwick | ... | Dr. Semmelweis (as Sheppard Strudwick) | |
| Rest of cast listed alphabetically: | |||
| Rudolph Anders | ... | Doctor (uncredited) | |
| King Baggot | ... | Passerby (uncredited) | |
| William Bailey | ... | Passerby (uncredited) | |
| Barbara Bedford | ... | Nun Reading Book (uncredited) | |
 |
Ralph Brooks | ... | Medical Student at Lecture (uncredited) |
| Mary Howard | ... | Young Stricken Mother (uncredited) | |
| Leonard Penn | ... | Semmelweis' Assistant (uncredited) | |
| Beatrice Roberts | ... | Passerby (uncredited) | |
| Edward Van Sloan | ... | Hospital Chief of Staff (uncredited) | |
| E. Alyn Warren | ... | Professor (uncredited) | |
Produced by
| John Nesbitt | ... | producer |
Music by
| David Snell | ||
Cinematography by
| Harold Rosson | ||
Music Department
| George Bassman | ... | orchestrator (uncredited) |
| Leonid Raab | ... | orchestrator (uncredited) |
Additional Crew
| Ryland R. Madison | ... | research compilations (as Dr. Ryland R. Madison) |
