before and after drugs celebrities Gary Dourdan

6. Gary Dourdan

This star of C.S.I. struggled with a gambling addiction on the show, but he has a real life addiction. His drug addiction has taken a substantial toll on his body, and it is clear that his future in acting is all but over. He has been found with cocaine, ecstasy and heroin, and he owes over $1.7 million to creditors.