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Cory Monteith, who played Finn on the FOX musical comedy series 'Glee,' was found dead in his hotel room in his native Canada on July 13, 2013. He was 31. Three days later, Canadian officials revealed that he died after mixing heroin with alcohol.
(Pictured: Cory Monteith talks to OTRC.com about 'Glee's season 4 at VH1's Do Something! Awards on Aug, 19, 2012.)