Coleman skyrocketed to fame at the age of 10 as Arnold Jackson on Diff'rent Strokes, popularizing the catchphrase "What'choo talkin' 'bout, Willis?" His adult life, however, was marred by health and legal woes, and he died at age 42 from an intracranial hemorrhage.

The '80s teen idol and star of such films as The Lost Boys and License to Drive died of an apparent drug overdose.

The promising young actor, nominated for an Oscar and Golden Globe for the 1988 film Running on Empty, died of a drug overdose at the age of 23. His survivors include siblings Joaquin and Summer Phoenix.

The child protégée grew up to become the king of pop, but said he had never had a true childhood.

She became famous for her role as Kimberly Drummon in Diff'rent Strokes, but soon turned to low-budget films and even soft-core pornography. She suffered from a prescription drug overdose that was later ruled a suicide.

She was the adorable star of the Poltergeist trilogy who gave new meaning to the phrase, "They're here." At the young age of 12, O'Rourke became ill and suffered cardiac arrest.

A successful child actress whose career continued with adult roles in Rebel Without a Cause and the musicals West Side Story and Gypsy, Wood tragically drowned at the age of 43.

He became an instant teen heartthrob after starring in The NeverEnding Story II and then Sidekicks and Ladybugs, and the TV series seaQuest DSV. His fade from the spotlight ended with his suicide by hanging.

He had big name co-stars like Robert DeNiro, Kevin Bacon, Dustin Hoffman and Brad Pitt in Sleepers and Ian McKellen in Apt Pupil but his drug problems eventually got in the way of his film career. He spent a brief stint in jail in 2006, and died two years later of an accidental drug overdose.

Best known for her role on the series My Sister Sam, Schaeffer was brutally murdered by an obsessed fan.

Jones was only eight when she was cast on CBS's Family Affair. After its cancellation five seasons later, she went on to a life outside of the public eye. She eventually dropped out of high school and died at 18 of a drug overdose.