13) Rob Knox - The 'Harry Potter And The Half-Blood Prince' actor died in 2008 at the age of 18 while defending his brother from an attacker. He passed away from stab wounds from a knife.


Rob Knox (1989 - 2008) was an English actor who portrayed the character of Marcus Belby in the film Harry Potter and the Half-Blood Prince. Knox died after being stabbed outside a bar in Sidcup, Southeast London, in May 2008, when he intervened in a fight to protect his brother.

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