Smallville's Star 'Lee Thompson Young' Dies at 29

Former Disney star Lee Thompson Young has died at the age of 29, TMZ reports. The "Famous Jett Jackson" star was found dead by his Los Angeles landlord after his coworkers on the set of TNT's "Rizzoli & Isles" called the landlord when Young failed to show up for work.

A spokeswoman for the Los Angeles Police Department confirmed Young's passing with TheWrap. The spokeswoman said officers arrived at Young's house after 8 a.m. Monday morning and found him dead.

Young is best known for playing Jett Jackson on the Disney Channel series. He also had roles in "The Guardian," "Friday Night Lights" the film, "Scrubs," "Smallville" and "FlashForward." His most recent role was as Detective Barry Frost in "Rizzoli & Isles."

The actor's longtime manager Jonathan Baruch confirmed to E! News that Young took his own life.

"It is with great sadness that I announce that Lee Thompson Young tragically took his own life this morning," Baruch said in a statement to E! "Lee was more than just a brilliant young actor, he was a wonderful and gentle soul who will be truly missed. We ask that you please respect the privacy of his family and friends at this very difficult time."

The LAPD has not yet released a cause of death.