The body of the star, best known for his roles on The Wire and John Wick, is said to have been found dead at his Studio City home Friday morning. TMZ reports that law enforcement sources said that the cause of death is currently unclear, but it appears to be natural. It is reported that he was taking part in a press tour for the fourth instalment of popular franchise John Wick prior to his d£ath. He plays the role of Charon in the movie.