`` Harry Potter '' actor David Legeno has died , a California sheriff 's office said . The 50-year-old British actor , who played werewolf villain Fenrir Greyback in `` Harry Potter and the Half Blood Prince , '' and both parts one and two of `` Harry Potter and the Deathly Hollows '' died while hiking near Death Valley , California , said the Inyo County Sheriff 's Office . Legeno 's body was discovered by two hikers on Sunday in a remote desert location west of Zabriskie Point and had to be removed by a helicopter , according to a press release from the Inyo County Sheriff 's Department . `` The remains have been identified as David Legeno , a 50-year-old United Kingdom man . 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 . '' Legeno 's other major film credits include `` Snow White and the Huntsman , '' and 2005 's `` Batman Begins . '' According to the actor 's IMDB page , he had just finished production for `` The Last Knights '' starring Morgan Freeman and Clive Owen . According to The Hollywood Reporter Legeno was also an MMA fighter and boxer and lived in southern England with his daughter . Photos : Other Potter characters , then and now . Photos : People we 've lost in 2014 .
He played werewolf villain Fenrir Greyback . His body was discovered by hikers . Legeno was also an MMA fighter .