It Takes a Thief (1968 TV series) motion picture "To Catch a Thief", directed by Alfred Hitchcock; both of their titles stem from the English proverb "Set a thief to catch a thief". (Or as is more widely used, "It takes a thief to catch a thief".) "It Takes a Thief," which was created by television writer Roland Kibbee, featured the adventures of cat burglar, pickpocket, and thief Alexander Mundy, who steals to finance his life as a polished playboy and sophisticate. He is in prison when the U.S. government's SIA (the fictional Secret Intelligence Agency) proposes a deal to Mundy: steal for the government in exchange
Once a Thief (1950 film) Once a Thief (1950 film) Once a Thief is a 1950 American crime film noir directed by W. Lee Wilder starring Cesar Romero, June Havoc, Marie McDonald and Lon Chaney Jr.. Margie Moore (Havoc), a down-on-her-luck San Francisco woman, turns in desperation to jewel robbery. She barely escapes getting nabbed in a heist and moves to Los Angeles where she gets an honest job as a waitress. Her troubles start again, however, when she falls madly in love with smooth-talking Mitch Foster (Romero). Mitch reveals his true colors by stealing every penny she has, then turning her into the authorities.