He has had starring roles in Driving Lessons, a dramedy released in 2006, and Cherrybomb, a drama film of limited release in 2010.
Grint co-starred with Bill Nighy and Emily Blunt in Wild Target, a comedy.
Also, Half-Blood Prince remains one of the most positively reviewed entries within the series among film critics, who praised the film's "emotionally satisfying" story, direction, cinematography, visuals and music.
Grint observed a change in Ron in this entry, pointing out that his once insecure, often overshadowed character started to become more secure and even began to show a dark side of himself.
The adaptation, unlike previous films, explored romantic elements and included more humour.
In this film, Grint portrayed the co-lead role of Alan, an anosmic boy who is Patrick's only friend.
His first film project following the end of the Harry Potter series was the 2012 anti-war film, Into the White, in which he has a supporting role.
In 2013, Grint's new film CBGB was released and he was cast in CBS's new show Super Clyde.
From 2001 to 2011, he starred in all eight Harry Potter films alongside Daniel Radcliffe playing as Harry Potter and Emma Watson playing as Hermione Granger.
Beginning in 2002, Grint began to work outside of the Harry Potter franchise, playing a co-leading role in Thunderpants.