Dominic West Jean Valjean Actor, Executive Producer David Oyelowo Javert Actor, Executive Producer Adeel Akhtar Thenardier Actor Olivia Colman Madame Thenardier Actor David Bradley Gillenormand Actor Josh O'Connor Marius Actor Ellie Bamber Cosette Actor Emma Fielding Nicolette Actor Donald Sumpter Mabeuf Actor Lorcan Cranitch Chief Inspector Actor Natalie Simpson Sister Simplice Actor Enzo Cilenti Rivette Actor Anna Calder-Marshall Madame Rully 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 Jumayn Hunter Montparnasse Actor Caroline Donnelly Dressmaker Actor Rachel Cuff Stern Nun Actor Isis Hainsworth Marie Claire Actor Tsion Habte Germaine Actor Judith Williquet Faux-Cosette 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