Dave Legeno, best known for his work in the Harry Potter films, died while hiking in Death Valley, according to The Hollywood Reporter. He was 50.
Legeno's body was found by two hikers on Sunday and had to be removed by helicopter. "It appears that Legeno died of heat-related issues, but the Inyo County Coroner will determine the final cause of death. There are no signs of foul play," according to a statement from law enforcement.
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Legeno played the werewolf Fenrir Greyback in Harry Potter and the Half Blood Prince, as well as Deathly Hollows Part 1 and 2. He was also an MMA fighter and boxer.
Legeno is survived by a daughter, with whom he lived in England.