Mary Sweeney is an American film editor and producer best known for collaborating with the avant-garde American film director, David Lynch. Sweeney worked with Lynch on several critically acclaimed films and television series, most notably as a film editor on the cult hits Twin Peaks, Lost Highway (1997), and Mulholland Drive (2001) for Lynch's Asymmetrical Productions company. She was the co-author, with John Roach, of The Straight Story (1999).
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