7. Rob Knox (Age 18)

Rob Knox began acting at 11 and appeared inThe Bill,After You’ve Gone, andKing Arthur. He gained wider recognition as Marcus Belby inHarry Potter and the Half-Blood Prince. He was described as kind, thoughtful, and outgoing, with a passion for sports.
Rob was tragically stabbed to death at 18 outside a bar in London while protecting his brother from an armed attacker. The assailant was sentenced to life imprisonment. His family and fans remember him as a promising young talent whose life was cut short senselessly.