Joseph Carnahan (born May 9, 1969) is an American independent film director, screenwriter, producer and actor best known for his films Blood, Guts, Bullets and Octane, Narc, Smokin' Aces, The A-Team, and The Grey. He also writes and directed some episodes for the NBC television series The Blacklist. He is the brother of screenwriter Matthew Michael Carnahan and producer Leah Carnahan. In 1998 he won some cult and critical acclaim for his film Blood, Guts, Bullets and Octane which premiered in September 1997 at the New York Independent Feature Film Market and later at the 1998 Sundance Film Festival. Carnahan serves on the Creative Council of Represent. Us, a nonpartisan anti-corruption organization.

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