Lee Thompson Young. Lee Thompson Young (February 1, 1984 – August 19, 2013) was an American actor. He was known for his teenage role as the title character on the Disney Channel television series The Famous Jett Jackson (1998–2001) and as Chris Comer in the movie Friday Night Lights (2004). His last starring role was as Boston police detective Barry Frost on the TNT police drama series Rizzoli & Isles (2010–14).