| Person | Type | Job | Role(s) |
|---|---|---|---|
 Dalton Trumbo | Crew | Writing | Screenplay |
 Garson Kanin | Crew | Directing | Director |
 J. Roy Hunt | Crew | Camera | Director of Photography |
Jack Hively | Crew | Editing | Editor |
John L. Cass | Crew | Sound | Sound Recordist |
Katharine Haviland-Taylor | Crew | Writing | Story |
 Renié | Crew | Costume & Make-Up | Costume Design |
Robert Sisk | Crew | Production | Producer |
 Roy Webb | Crew | Sound | Original Music Composer |
 Van Nest Polglase | Crew | Art | Art Direction |
 Anne Shirley | Cast | Actress | Jean Johnson |
 Barlowe Borland | Cast | Actor | Doctor with News of Polio Outbreak (uncredited) |
 Bud Geary | Cast | Actor | Worried Father (uncredited) |
 Byron Foulger | Cast | Actor | Bank Teller (uncredited) |
Carole Leete | Cast | Jean Johnson - Age 4 | |
 Charles Halton | Cast | Actor | Atty. Clyde Perkins (uncredited) |
 Crane Whitley | Cast | Actor | Tough Guy Funeral Observer (uncredited) |
 Dick Elliott | Cast | Actor | Hank |
 Dickie Jones | Cast | Actor | Dick Abbott (as a boy) |
 Edmund Mortimer | Cast | Actor | Medical Association Board Member (uncredited) |
 Edward Ellis | Cast | Actor | Dr. John Abbott |
Frank Jaquet | Cast | Actor | Funeral Observer (uncredited) |
 Frank M. Thomas | Cast | Actor | Jode Harkness |
 Frank O'Connor | Cast | Actor | Man at Hospital Dedication (uncredited) |
 Gilbert Emery | Cast | Actor | Dr. Robinson |
 Grady Sutton | Cast | Actor | Raymond (uncredited) |
 Granville Bates | Cast | Actor | George Sykes |
 Harlan Briggs | Cast | Actor | Homer Ramsey |
 Joe De Stefani | Cast | Jorgensen | |
 John Ince | Cast | Actor | Man at Hospital Dedication (uncredited) |
 John Wray | Cast | Actor | Tom Johnson |
 Julia Griffith | Cast | Actress | Funeral Observer (uncredited) |
 Julius Tannen | Cast | Actor | Hospital Administrator (uncredited) |
 Larry Steers | Cast | Actor | Medical Association Board Member (uncredited) |
 Lee Bowman | Cast | Actor | Dick Abbott |
 Lloyd Ingraham | Cast | Actor | Funeral Observer (uncredited) |
 Lucille Ward | Cast | Actress | Gossipy Funeral Observer (uncredited) |
 Maurice Costello | Cast | Actor | Town Councilor (uncredited) |
Sam Rice | Cast | Actor | Funeral Observer (uncredited) |
 Sarah Edwards | Cast | Actress | Clerk (uncredited) |
 Vinton Hayworth | Cast | Actor | Huber (uncredited) |
 Wilfred Lucas | Cast | Actor | Man at Hospital Dedication (uncredited) |
 William Henry | Cast | Actor | Howard Sykes |
| Person | Type | Job | Role(s) |
