The Debut Closes London Film Festival With Julianne Moore and Jesse Eisenberg

Jesse Eisenberg’s The Debut has closed the 70th BFI London Film Festival, with Julianne Moore leading a musical comedy about the unexpectedly consuming world of community theatre.

The film’s UK premiere took place on Sunday 18 October at the Southbank Centre’s Royal Festival Hall. The closing-night appearance puts Eisenberg’s latest work in front of British audiences ahead of its wider UK cinema release on 15 January 2027.

Moore stars alongside Paul Giamatti, Halle Bailey and Eisenberg himself in a story that begins with a modest acting opportunity and follows it into something much more disruptive.

What is The Debut about?

A24’s official synopsis for The Debut introduces Mona Friedman, a shy housewife who is cast in a small role in a local theatre production.

For Mona, the part becomes far more than a way to fill an evening. She grows fiercely committed to the role, embracing method acting and becoming willing to challenge the show’s domineering director in defence of what she sees as its artistic integrity.

The premise sets up a recognisable comic imbalance: an apparently minor part can become the most important thing in the life of the person playing it. The scale of the production matters less than the emotional investment attached to it.

It also leaves room for a more personal question beneath the backstage conflict. What happens when someone who has spent years being unobtrusive discovers a space in which they want to be noticed?

Julianne Moore was central to Eisenberg’s plans

Speaking at the London premiere, Eisenberg told Reuters that he wrote the leading role with Moore in mind. He also connected the project to his own childhood experiences of community theatre.

The film includes seven original songs written by Eisenberg for the fictional stage musical Nosy Neighbours. Giamatti plays its director, Jerry, while Bailey is among the performers appearing in the musical-within-the-film.

That structure puts theatrical performance inside a cinema story, with rehearsal-room ambitions and personal relationships developing around the same production. It is an inviting setup for comedy because the characters’ private needs do not have to match the demands of the show.

A closing-night film with a substantial ensemble

The BFI’s official closing-night announcement lists a wider cast including Havana Rose Liu, Bernadette Peters, Colton Ryan, Lilli Cooper, Maulik Pancholy and Bonnie Milligan.

The festival presented the film as a return to London for Eisenberg after A Real Pain appeared at the event in 2024. This time, his work occupied the final gala slot, with screenings also included around the UK.

The BFI programme entry records the film as an English-language American production with a running time of 105 minutes. Its programmer’s introduction places humour and drama alongside one another, connecting it to Eisenberg’s earlier directing work on When You Finish Saving the World and A Real Pain.

Who made The Debut?

Eisenberg wrote and directed the film as well as appearing in it. Behind the camera, A24’s published credits identify Drew Daniels as cinematographer, Robert Nassau as editor and Anne Ross as production designer.

The production team includes Eisenberg, Ali Herting, Emma Stone and Dave McCary. These credits distinguish the wider filmmaking collaboration from the fictional theatre company at the centre of the story.

With an ensemble assembled around Moore’s lead performance, the film has several different kinds of creative work in play: screen acting, musical performance, songwriting and the carefully constructed illusion of a local stage production.

When is The Debut released in UK cinemas?

The BFI confirms that Lionsgate will release The Debut in British cinemas on 15 January 2027. A24 lists 11 December 2026 for its US theatrical release, so the December date should not be confused with the UK opening.

For British audiences who missed the festival screening, January is the next confirmed general cinema date. The London premiere has now introduced Eisenberg’s community-theatre comedy to the UK, with Moore’s Mona ready to take a supposedly small part very seriously.