Lee Thompson Young, most-recently known as Det. Barry Frost on TNT's Rizzoli & Isles, was reportedly today found dead in his apartment. Young's manager, Jonathan Baruch, has confirmed to Variety that the actor this morning took his own life. Thompson also appeared in the original film version of Friday Night Lights after rising to some fame in as the Disney Channel's Famous Jett Jackson, who rose to some fame as secret agent Silverstone. He was 29.