Stars Who Died Young

"Rebel Without a Cause" actor James Dean was 24 years old
when he died Sept. 30, 1955, in a head-on collision.

Actor and "Saturday Night Live" comedian John Belushi was 33 when he was found dead
in his bungalow at Chateau Marmont in Los Angeles on March 5, 1982. Cause of death
was a combined injection of cocaine and heroin.

Marilyn Monroe, seen posing in a 1953 photo, was 36 when she died of barbiturate
overdose in 1962.

Martial arts actor Bruce Lee was 33 when he died of possible allergic reaction in 1973.

Actress Jayne Mansfield, a sex symbol of the 1960s, is seen here in Paris. The mother of actress Mariska Hargitay, Mansfield was 34 when she was killed in a 1967 car accident.

Actor Freddie Prinze was 22 when he shot himself in 1977. His death was originally ruled a suicide, but in a civil case, a jury later decided the death was accidental since Prinze had a history of playing with guns. He is the father of actor Freddie Prinze Jr.

Heath Ledger, the Australian actor, died in January 2008 at age 28, and the cause of his death has been linked to various prescription medications, including sleeping pills. In a 2007 interview with The New York Times, Ledger said he sometimes slept for only two hours a night when work was stressing him out, and on one occasion he took multiple Ambiens to fall asleep, only to wake up soon after.

Brittany Murphy, who first burst on the scene for playing Tai Frasier in "Clueless," died
of complications from pneumonia and multiple drug intoxication. She was only 32.

Heath Ledger