Jason Davis

Bob Forrest's unlikely career arc

Bob Forrest's unlikely career arc

Jason Davis, a 25-year-old heroin addict and grandson of oil billionaire Marvin Davis, was the most shameless cast member on "Celebrity Rehab With Dr. Drew" last season, a distinction akin to being the nerdiest person at a "Star Trek" convention — the bar is so high, you really have to reach for it.

The show's medical team, led by addictionologist Drew Pinsky, spent the season trying to impress on Davis the direness of his disease. Among the earnest pleas, one voice seemed to crack through Davis' defenses.

"You come off as cavalier and fabulous, all Thurston Howell III, but you're scared too," said drug counselor Bob Forrest.

In his...

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