High Quality Content by WIKIPEDIA articles! Rupert Alexander Lloyd Grint (born 24 August 1988) is an English actor, who rose to prominence playing Ron Weasley, one of the three main characters in the Harry Potter film series. Grint was cast as Ron at the age of 11, having previously acted only in school plays and at his local theatre group. From 2001 through 2011, he starred in eight Harry Potter movies alongside Daniel Radcliffe and Emma Watson.