CNN  —  Sam Mendes is set to direct four separate feature-length biopics chronicling the story of The Beatles through the eyes of each of its members, and the casting of the four musicians has now been confirmed. Harris Dickinson will play John Lennon, Paul Mescal will be Paul McCartney, Barry Keoghan will portray Ringo Starr and Joseph Quinn will play George Harrison in “The Beatles - A Four-Film Cinematic Event,” according to a social media post from Sony Pictures Entertainment on Tuesday.