Composed and performed a hip-hop song on his audition tape for Harry Potter and the Sorcerer's Stone.
Harry Potter and the Prisoner of Azkaban director Alfonso Cuaron asked the cast to write essays about their characters in order to prepare for the movie; Grint didn't write his, stating that that's what Ron Weasley would have done.
Starred in the 2006 coming-of-age film Driving Lessons with Julie Walters, who played his mother in the Harry Potter films.
Nominated for a 2006 MTV Movie Award for Best On-Screen Team for Harry Potter and the Goblet of Fire with costars Daniel Radcliffe and Emma Watson.
Used some of his earnings from the Harry Potter franchise to purchase an ice-cream truck.