Heather O'Rourke - Cause Of Death: Cardiac arrest, Iatrogenesis, Septic shock, Intestinal Obstruction. "Carol Anne" from Poltergeist died in 1988 from complications during surgery to remove an acute bowel obstruction. She was 12.

River Phoenix - Cause Of Death: Heart failure, Drug overdose, Cocaine overdose, Heroin overdose, Combined drug intoxication. The child and teen star of Stand by Me and Explorers died in 1993 at age 23 in front of The Viper Room, while then-owner Johnny Depp was performing onstage. As news circulated through the club about Phoenix's collapse outside, the show stopped and he was never revived.

Corey Haim - Cause Of Death: Drug overdose, Pneumonia. The teen star of 80s hit films like Lucas, The Lost Boys, and License to Drive turned to drugs when his career slowed. In 2010, he died at age 38, officially from pneumonia - though he notably procured 553 prescription pills from 7 different physicians in the 32 days prior to his death, including 195 Valium, 149 Vicodin, 194 Soma and 15 Xanax.

Judith Barsi - Cause Of Death: Ballistic trauma, Firearm, Homicide, Murder. The young star of Jaws: The Revenge and The Land Before Time voice of Ducky died in 1988 at age 10. In a murder-suicide carried out by her father, Judith and her mother were shot, killed, and subsequently set on fire before he shot himself to death in the family's garage.

Dana Plato - Cause Of Death: Drug overdose, Suicide. The 'Different Strokes' star died in 1999 at age 35 while visiting her fiance's mother in Moore, OK. Plato took a lethal dose of Lortab and Valium before laying down for a nap and never woke up. The death was eventually ruled a suicide.

Lee Thompson Young - Cause Of Death: Suicide. Disney child star Lee Thompson Young died in 2013 at age 29. The titular character on Disney's The Famous Jett Jackson, Thompson Young's death by gunshot to the head was ruled a suicide.

Brad Renfro - Cause Of Death: Drug overdose, Heroin overdose. The star of The Client died in 2008 at age 25 from a heroin overdose. Renfro's death from acute heroinmorphine intoxication was ruled accidental.

Carl Switzer - Cause Of Death: Ballistic trauma, Homicide. Alfalfa from the Our Gang comedies died in 1959 at age 31. Switzer was shot during an altercation with a man he believed owed him money.

Jonathan Brandis - Cause Of Death: Suicide by hanging, Suicide, Hanging. The star of seaQuest DSV died in 2003 at age 27. Brandis was found alive, but unconscious, hanging from the neck in his home. The friend who happened upon the scene summoned paramedics immediately, but the star of Ladybugs died at Cedars-Sinai hospital the next day.

Anissa Jones - Cause Of Death: Drug overdose. 'Family Affair' star died in 1976 at age 18. After finally receiving her share of royalties from 'Family Affair', Jones sank into a life of drugs and alcohol and died from a massive overdose of barbiturates, phencyclidine, cocaine and methaquaalone.

Gary Coleman - Cause Of Death: Epidural hematoma, Cerebral hemorrhage. The 'Diff'rent Strokes' star died in 2010 at age 42 from a brain hemorrhage. The former child star had lapsed into a coma in a hospital near his Provo, UT home and passed away shortly after being take off life support.

Bridgette Andersen - Cause Of Death: Drug overdose, Heroin overdose. Savannah Smiles star died in 1997 at age 21. Andersen's death was ruled an accidental drug overdose.

Bobby Driscoll - Cause Of Death: Heart failure, Myocardial infarction. The former Disney star who grew up in front of the cameras died in 1968 at age 31. Driscoll's was found in a New York tenement and went unidentified at the time of his death.

Ashleigh Aston Moore - Cause Of Death: Drug overdose, Pneumonia. The Now and Then actress died in 2007 at age 26 of an accidental heroin overdose.

Josh Ryan Evans - Cause Of Death: Heart failure, Surgical complications. The 'Passions' star died in 2002 at age 20. On the same day his soap opera character was killed off, the diminutive star died of a congenital heart defect at a San Diego hospital.

Christopher Pettiet - Cause Of Death: Drug overdose. The star of Don't Tell Mom the Babysitter's Dead and 'The Young Riders' star died in 2000 at age 24 of an accidental drug overdose.

Rob Knox - Cause Of Death: Stabbing, Murder. The Harry Potter and the Half-Blood Prince actor died in 2008 at age 18 defending his younger brother from another man wielding a knife. He was stabbed to death in London.

Michelle Thomas - Cause Of Death: Stomach cancer. The 'Family Matters' star aka Myra Monkhouse died in 1998 at age 30. The television star succumbed to a rare form of stomach cancer in a New York hospital days before Christmas.

Dana Hill - Cause Of Death: Diabetes mellitus, Stroke. The star of Shoot the Moon, Fallen Angel and National Lampoon's European Vacation died in 1996 at age 32. Diagnosed in her youth with Type 1 diabetes, Hill slipped into a diabetic coma in May, suffered a massive stroke in June and died in July.

Rusty Hamer - Cause Of Death: Suicide. The 'Make Room For Daddy' star died in 1990 at age 42. Hamer killed himself with a self-inflicted gunshot wound to the head at his home in DeRiddler, LA.

Matthew Garber - Cause Of Death: Pancreatitis. The Mary Poppins star died in 1977 at age 21. While on tour in India, Garber contracted hepatitis which sread to his pancreas before he could return to London for treatment. The official cause of death listed on his death certificate is Haemorrhagic Necrotising Pancreatitis.

Tara Correa-McMullen - Cause Of Death: Firearm, Homicide, Murder. The 'Judging Amy' star died in 2005 at age 16. The young star, whose character on 'Judging Amy' was killed by gang members, met a similar fate when a shotgun blast in Inglewood, CA ended her life.

Scotty Beckett - Cause Of Death: Drug overdose, Suicide. The 'Our Gang' star died in 1968 at age 38 from an overdose of barbituates.

Lucille Ricksen - Cause Of Death: Tuberculosis. Silent movie actress died in 1925 at age 14. The young actress fell ill during filming one day and was subsequently diagnosed with tuberculosis. She died two weeks after her mother, who had kept vigil on her ailing daughter, suffered a fatal heart attack at her daughter's bedside.

J. Madison Wright Morris - Cause Of Death: Cardiac arrest, Myocardial infarction. The 'Grace Under Fire' actress died in 2006 at age 21. After having received a heart transplant in 2000 to correct a heart muscle disease, the young actress succumbed to a heart attack the day after her wedding.

Norman Chaney - Cause Of Death: glandular ailment. The Our Gang star died in 1936 at age 21. Chaney died from complications that arose from a surgery to correct a glandular disorder.

Michael Cuccione - Cause Of Death: Cancer, Respiratory failure. The movie star died in 2001 at age 16. Cuccione had survived Hodgkin's disease at age 9 after chemotherapy and a bone marrow transplant, but was left with a respiratory problem. After a minor car accident, the actor was hospitalized and never recovered, succumbing to respiratory failure.

Billy Laughlin - Cause Of Death: Traffic collision. The 'Our Gang' star died in 1948 at age 16. While delivering papers with a friend, he was hit from behind by a bus. Both boys died instantly.

Dorothy Dell - Cause Of Death: Traffic collision. The Wharf Angel and Little Miss Marker actress died in 1934 at age 19. After avoiding death several times over the years, Dell was finally felled in an auto accident that killed her instantly.

Sammi Kane Kraft - Cause Of Death: Traffic collision. The star of the Bad News Bears remake died in 2012 at age 20. The actress was a passenger in a car that rear ended a semi truck and subsequently another vehicle. She died at Cedars-Sinai hospital from injuries sustained in the accident.