Who Did Robert Knox Play In Harry Potter
Robert Arthur Knox (21 August 1989 – 24 May 2008) was an English actor who portrayed the character of Marcus Belby in the film Harry Potter and the Half-Blood Prince
,  and had signed to appear in the planned film Harry Potter and the Deathly Hallows
. Robert got his start in acting with a small role on the long-running British police drama The Bill .
Robert Knox, 18, who acted alongside Daniel Radcliffe in Harry Potter and the Half-Blood Prince
, became the 28th teenager killed in Britain this year, and the 10th in London to die from stab wounds.