Cast & crew
Undercover: How to Operate Behind Enemy Lines (1943)
Directed by John Ford
Cast
| John Ford | J.P. |
| Martín Garralaga | Y B'ham |
| Eddie Foster | Cutter |
| Max Wagner | Rudy |
| Cyril Ring | X |
| Pierre Watkin | Z |
| Peter Lorre | Secret Serviceman |
| Victor Varconi | Fernand's enemy |
| Tom Quinn | Train Conductor |
| Osa Massen | Driver's Girlfriend |
| Crane Whitley | A.T. |
Crew
| John Ford | Director |
| Robert Parrish | Editor |