23 mins | Drama | Jan. 1, 1941
23 mins | Drama | Jan. 1, 1941
| IMDb rating | 3.9 |
| Producers | Research Council of Academy of Motion Picture Arts and Sciences, United States Public Health Service |
| Original title | Know For Sure |
| Directors | Lewis Milestone |
| Writers |
as patient
as supporting role
as Dr. Perkins
as Jerry Anderson
as Dr. Paxton
as supporting role
as Tony Madroni
as Mr. Spencer
as Dr. Morton