Captain Carey, U.S.A.

Captain Carey, U.S.A. is a 1950 drama film starring Alan Ladd, Wanda Hendrix, and Francis Lederer. An American returns to postWorld War II Italy to bring a traitor to justice.

A group of agents of the U.S. Office of Strategic Services a forerunner of the Central Intelligence Agency is sent to Germanoccupied Italy during World War II to knock out the Germanheld Italian railroad system. In accomplishing this mission, most of them are killed because of an inside betrayal.After the war, one of the survivors, Captain Webster Carey Alan Ladd, resolves to find the traitor. Captain Carey returns to Orta, near Milan, to find out who betrayed his World War II O.S.S. team and caused the deaths of several villagers. Much to his surprise, his old love Giulia Wanda Hendrix, whom he thought dead at the hands of the Nazis, is alive and married to a powerful Italian nobleman, Barone Rocco de Graffi Francis Lederer. The villagers are unfriendly, but Carey persists in his clandestine efforts to flush out the traitor. ........

Source: Wikipedia