Guest Stars Natalie Simpson as Sister Simplice Anna Calder-Marshall as Madame Rully Darren Kent as Chenildieu Mailow Defoy as Little Cosette Abraham Popoola as Cochepaille Georgie Glen as Abbess Oengus MacNamara as Brevet Lia Giovanelli as Young Cosette Anton Saunders as Champmathieu Isabelle Lewis as Young Azelma Tiarna Williams as Young Éponine Rayan Toppin as Young Gavroche Francis Chapman as Law Court Usher Jan Debski as Inn Pedlar Jean-Louis Sbille as Gorbeau Beggar Lawrence Sheldon as Inn Customer Jonathan Sawdon as Head Bailiff Nigel Cooke as Presiding Judge Uncredited Erin Doherty as Fabienne