Know For Sure (1941)
| Release Date: | 1941, October 17 |
| Directors: | Lewis Milestone |
| Countries: | United States of America |
| Production: | Research Council of Academy of Motion Picture Arts and Sciences, Research Council of Academy of Motion Picture Arts and Sciences, United States Public Health Service, United States Public Health Service, United States Public Health Service |
| Cast: | Ward Bond, Samuel S. Hinds, Tim Holt, Joseph Crehan, Edwin Maxwell, J. Carrol Naish, Shepperd Strudwick, Francis Pierlot, Etta McDaniel |