Guest Stars Geraldine James as Caroline Matteson Richard Durden as Oscar Matteson Adeel Akhtar as Billy Christine Bottomley as Mandy Jamie Michie as Dom Jo Martin as Parole Officer Janice Lizzy McInnerny as Norah Boback Adrian Edmondson as John Boback Juliet Cowan as Tina Hebe Bartlett as Cerys Sarah Lam as Laura Thea Achillea as Phoebe Ella Bruccoleri as Sharon