Jonathan Brandis

Image: Pop

Jonathan Brandis was mostly known for the leading role in the TV adaptation of Stephen King’s clown-themed novel IT. His career was very horror-driven: he starred in Stepfather II and Pet Sematary. In 2003, at 27, he hanged himself in his LA apartment without leaving a suicide note.

Heather O’Rourke

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Perhaps the most famous kid from any horror movie, Heather O’Rourke got her big break through the supernatural horror Poltergeist. But while her character managed to survive three entries of the franchise, the actress was misdiagnosed in real life and died from cardiac arrest at the age of 12.

Lee Thompson Young

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Lee Thompson Young enjoyed a lasting career on TV. He got his first break on Disney Channel’s The Famous Jett Jackson, then starred in Friday Night Lights, Rizzoli & Isles and Terminator: The Sarah Connor Chronicles. When in 2013 he failed to show up on set, the police went to investigate and found his dead body in his LA apartment. He was 29 and died from a self-inflicted gunshot wound.