Variety, Grint will be playing "Stan Shapiro, a mail room intern at William Morris, who befriended Wilson during the last few years of the musician's life."
"The Drummer" will start filming in June.
(SOURCE: THE LEAKY CAULDRON)
Harry Potter: It All Ends
Harry Potter cast and crew.
IT ALL ENDS!
J.K. Rowling, Dan Radcliffe, Emma Watson and Rupert Grint Give Emotional Goodbye to 'Potter' Series