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Cast member Matt Damon attends a news conference to promote the film "The Martian" at the Toronto International Film Festival (TIFF) in Toronto, September 11, 2015. REUTERS/Fred Thornhill Stock Photo - Alamy
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Matt Damon tries to explain diversity in film to successful African American producer, Effie Brown, in clip from Project Greenlight|Lainey Gossip Entertainment Update
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