Sad news today for Harry Potter fans. Character actor and martial artist Dave Legeno, best known for playing the werewolf Fenrir Greyback in Harry Potter and the Half-Blood Prince, Harry Potter and the Deathly Hallows - Part 1 and Harry Potter and the Deathly Hallows - Part 2, was found dead in Death Valley. He passed away at age 50.

The actor is believed to have succumbed to a heart-related incident. Inyo County Sheriff's Department reports that Dave Legeno was found Sunday morning by joggers, and his body had to be airlifted out of a remote section of Death Valley near Zabriskie Point. The area is known for its harsh climates, which can sometimes reach as high as 120 degrees Fahrenheit in the months of July and August.

No evidence of foul play has been reported by the Sheriff's department.

London native Dave Legeno began his career working on construction sites while training to become a wrestler. His martial arts skills helped land him his first role as John in Guy Ritchie's Snatch. He has racked up an impressive amount of character credits, playing a League of Shadows warrior in Batman Begins and Broch in Snow White and the Huntsman.

He currently has three movies in post-production, including the action adventure The Last Knights starring opposite Morgan Freeman and Clive Owen, the UK swashbuckler Sword of Vengeance, and the drama Petroleum Spirit, in which he headlines.