Undercover: How to Operate Behind Enemy Lines (1943)
| Release Date: | 1943, January 1 |
| Directors: | John Ford |
| Countries: | United States of America |
| Production: | O.S.S. |
| Cast: | Victor Varconi, Peter Lorre, Max Wagner, Martín Garralaga, Cyril Ring, Tom Quinn, Pierre Watkin, Eddie Foster, Crane Whitley, Osa Massen |