Ahead of new musical One Day‘s highly anticipated transfer to the West End, the production has announced the complete cast and creative team, alongside an exclusive teaser of lead actor Jamie Muscato performing ‘You’ to mark the occasion.
One Day the Musical‘s highly anticipated West End transfer comes ever nearer, and the production has today announced its full cast and creative team. Along with the casting news, an exclusive teaser has been released of Jamie Muscato giving a stunning performance of “You,” from the musical. Marking the moment Dex realises his true feelings for Em, the song is an intimate and emotionally charged introduction to the music of the highly anticipated new musical, capturing the emotions at the story’s heart.
Performances for the London transfer begin at the Garrick Theatre on Tuesday 17 November 2026, with Jamie Muscato and Sharon Rose reprising their celebrated roles as Dex and Em.
WATCH: Jamie Muscato sings ‘You’ from One Day the Musical
The cast and company of One Day
The musical brings the iconic novel to the stage, telling the years long love story of Emma and Dexter, who meet on the night of their graduation. One unsuspecting day that changes them both forever. But where will they be on this day next year? And the year after that? And every year that follows? As Em and Dex’s lives intertwine through joy and heartbreak, missed opportunities and second chances, they navigate love, ambition and the unpredictable twists of life.
The full cast of the upcoming West End run will include:
- Jamie Muscato as Dex
- Sharon Rose as Em
- Dan Buckley as Ian
- Dougie Carter as Callum
- Anna-Jane Casey as Alison Mayhew
- Ross Dawes as Mr Godalming
- Christopher Dickins as Stephen Mayhew
- Kelly Hampson as Sylvie
- Jennifer Louise Jones as Miffy
- Romona Lewis-Malley as Tilly
- Bonnie Harper, Esmae Kevany, Hannah McIntyre and Ava-Rae Timewell as Jasmine and Sonia
The company is completed by ensemble members Vanessa Fisher and Ewan Murphy, with Rosalía Morales and Tom Mussell as understudies.
This brand-new adaptation is written by David Greig, with music and lyrics by Abner and Amanda Ramirez of Johnnyswim, and additional material by Jeremy Sams.
It is directed by Tony and Olivier Award nominee Max Webster (Life of Pi, Macbeth), alongside a creative team that includes choreographer Carrie-Anne Ingrouille, musical supervisor and director Nigel Lilley, set and costume designer Rae Smith, lighting designer Bruno Poet and sound designer Simon Baker, with casting by Stuart Burt CDG.
Plan your visit
- Venue: Garrick Theatre
- Booking dates: 17 November 2026 until 14 March 2027
- Running time: 2 hours 40 minutes (including interval)
- Age guidelines: 12+
Garrick Theatre, London
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