9. Anissa Jones (Age 18)

Anissa Jones was best known as Buffy Davis on the classic sitcomFamily Affair(1966–1971). She also appeared alongside Elvis Presley inThe Trouble with Girls. Her adorable on-screen presence made her a child star icon of the era.
Anissa tragically died at 18 from a drug overdose involving barbiturates. A doctor was later arrested for illegally prescribing the medication. Her death underscored the dangers young stars faced after leaving the spotlight.