Paul Mescal thinks it's 'crazy' to be playing Sir Paul McCartney Paul Mescal thinks it is "crazy" that he's hung out with Sir Paul McCartney and will play the Beatles legend on film. 4 September 2025 Paul Mescal thinks it is "crazy" that he's hung out with Sir Paul McCartney. Paul Mescal will play Sir Paul McCartney The 29-year-old actor will portray the legendary musician in director Sir Sam Mendes' upcoming four Beatles films and he's confirmed he's been lucky enough to spend time with the "extraordinary" singer as part of his research. Asked if he's met McCartney, he said: "I have, yeah.