Dominic West Jean Valjean Actor, Executive Producer David Oyelowo Javert Actor, Executive Producer Lily Collins Fantine Actor David Bradley Gillenormand Actor Adeel Akhtar Thenardier Actor Enzo Cilenti Rivette Actor Olivia Colman Madame Thenardier Actor Josh O'Connor Marius Actor Ellie Bamber Cosette Actor Henry Lloyd-Hughes Pontmercy Actor Emma Fielding Nicolette Actor Donald Sumpter Mabeuf Actor Natalie Simpson Sister Simplice Actor Erin Kellyman Éponine Actor Reece Yates Gavroche Actor Alex Jarrett Azelma Actor Joseph Quinn Enjolras Actor Archie Madekwe Courfeyrac Actor Turlough Convery Grantaire Actor Angela Wynter Toussaint Actor Andrew Davies Writer, Executive Producer Chris Carey Producer Tom Shankland Director Faith Penhale Executive Producer Bethan Jones Executive Producer Rebecca Eaton Executive Producer Eurydice Gysel Executive Producer Victor Hugo Writer