Undercover How to Operate Behind Enemy Lines. Word Search Puzzle Solver. Undercover How to Operate Behind Enemy Lines word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. A training film for OSS agents who are to be dropped behind enemy lines. This includes identifying and searching for words that are related to : Peter Lorre, Martin Garralaga, Pierre Watkin, Victor Varconi, Cyril Ring, Osa Massen, Documentary, John Ford, War, Tom Quinn, Eddie Foster, Crane Whitley, Max Wagner .