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.[1] Margie Moore, a miserable San Francisco woman, turns in desperation to jewel robbery.

She narrowly escapes apprehension in a heist and moves to Los Angeles, where she takes an honest job as a waitress.

Her troubles resume when she falls in love with smooth-talking Mitch Foster, who reveals his true colors by stealing all of her money and then informing the authorities about her.

In prison with her partner-in-crime Pearl, Margie is visited by Mitch and waitress friend Flo.

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