A Lady Without Passport

A Lady Without Passport is a 1950 American film noir film directed by Joseph H. Lewis and starring Hedy Lamarr and John Hodiak. Written by Howard Dimsdale, the film is about a beautiful concentrationcamp refugee who has taken up residence in Cuba while awaiting permission to enter the United States. An undercover immigration agent decides to use her as an informant to entrap the leader of an aliensmuggling ring.

After World War II, immigrants in Cuba who are refused visas for various reasons try to sneak into the U.S. illegally with the help of a human smuggling ring run by Palinov George Macready, a Levantine caf owner. Following the death of one immigrant, U.S. Immigration operative Pete Karczag John Hodiak is sent to Havana, where he poses as a Hungarian in need of Palinovs services. During his dangerous undercover investigation, Pete meets Marianne Lorress Hedy Lamarr, a penniless Hungarian refugee of the Buchenwald concentration camp who is waiting to be smuggled into the United States by Palinov. He decides to use her to obtain the place and time of Palinovs next operation.However Pete falls in love with Marianne, and deducing that she must give herself to Palinov in trade for the trip, talks her into staying in Cuba. Palinov discovers Karczags true purpose and decides to use his own services. He exposes Pete to Marianne, who angrily decides to go ahead with the smuggling trip. Palinov tries to have Pete killed but the agent overcomes his wouldbe killer, gets the information from him, and reports it to his superior, Frank Westlake James Craig. Palinov flies to the United States with Marianne and the other smuggled passengers. However, the airplane is being tracked by U.S. Immigration and is unable to refuel in Florida. Palinov and his pilot crashland in the Florida Everglades in one last desperate attempt to elude capture. ........

Source: Wikipedia