15 Harry Potter Actors Who Are No Longer With Us

4. Robert Knox

Robert Knox played Marcus Belby in Harry Potter And The Half-Blood Prince, and was set to reprise the role in Deathly Hallows. The Harry Potter series was meant to be his big break. However, just a few days after filming his role, on May 24th 2008 the 18 year old actor was stabbed to death outside a bar while defending his younger brother during an altercation. His killer, Karl Bishop, went into a rage after losing a fight earlier in the night. He was found guilty of Knox's murder in 2009 and given a life sentence.
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Primarily covering the sport of MMA from Ontario, Canada, Jay Anderson has been writing for various publications covering sports, technology, and pop culture since 2001. Jay holds an Honours Bachelor of Arts degree in English from the University of Guelph, and a Certificate in Leadership Skills from Humber College.