Sam Mendes’ Four-Part Beatles Movies Cast Key Inner Circle Roles: Paul McCartney’s Dad, John Lennon’s Aunt, Brian Epstein & George Martin

The cast for director Sam Mendes’ upcoming four-part Beatles biopics, The Beatles — A Four-Film Cinematic Event, continued to fill out this week with the announcement of the actors tapped to play a number of the Fab Four’s most crucial inner circle confidants and family members.

Among the names on the roster is one with a familiar ring to it: Leanne Best (Line of Duty, Star Wars: The Force Awakens). The niece of original Beatles drummer Pete Best will play John Lennon’s beloved Aunt Mimi Smith, who was his guardian when he was as child.

In addition, The Walking Dead‘s David Morrissey will portray Paul McCartney’s father, Jim McCartney, James Norton (Bob Marley: One Love) will play manager Brian Epstein with Harry Lloyd (Game of Thrones) has been confirmed as “fifth Beatle,” producer George Martin. Bobby Schofield (Cherry) has been tapped to portray the band’s road manager and McCartney and George Harrison’s lifelong pal music biz executive Neil Aspinall, Daniel Hoffman-Gill will step into the shoes of road manager and personal assistant Mal Evans, Arthur Darvill (And Mrs) is on board as journalist/publicist and producer Derek Taylor and Adam Pally (Sonic the Hedgehog 3) is slated to play the band’s quarrelsome music manager, Allen Klein.

They join the previously announced main cast — Paul Mescal (McCartney), Harris Dickinson (Lennon), Barry Keoghan (Starr) and Joseph Quinn (Harrison) — as well as the actresses portraying their wives: Saoirse Ronan (Lady Bird) as McCartney’s wife Linda McCartney, Shogun‘s Anna Sawai as Lennon’s wife Yoko Ono, The White Lotus‘ Aimee Lou Wood as Harrison’s wife Pattie Boyd and How to Have Sex‘s Mia McKenna-Bruce as Starr’s wife, Maureen Starkey.

Check out the Instagram announcement about the latest cast additions here.

The four films are currently in production with all of them slated to hit theaters at the same time in April 2028.