`` Harry Potter '' actor David Legeno has died , a California sheriff 's office said . He played werewolf villain Fenrir Greyback . The film was a box office hit and spawned two sequels, but the series has been dormant since then. Legeno was also an MMA fighter .
He played werewolf villain Fenrir Greyback . The film was a box office hit and spawned two sequels, but the series has been dormant since then. Legeno was also an MMA fighter .