Harry Potter werewolf actor dies Posted byadmin July 12, 2014 Authorities say Harry Potter actor Dave Legeno has died from heatstroke in California’s Death Valley, aged 50. Legeno played the werewolf Fenrir Greyback in several of the Harry Potter movies, including Related posts: Rare Harry Potter book fetches $19,000 at auction Harry Potter’s Uncle Vernon dies Man guilty of killing ‘Harry Potter’ actor ‘Harry Potter’ actor killed in frenzied attack ‘Harry Potter’ actor’s killer jailed for life