Guest Stars Jane Wymark as Joyce Barnaby Adrian Scarborough as Peter Fogden Clare Holman as Sue Tutt Gemma Jones as Maisie Gooch Caroline Lintott as Jen Carmen Du Sautoy as Rosalind Parr Hugh Bonneville as Hugh Barton Lyndsey Marshal as Emma Tysoe Dugald Bruce Lockhart as Greg Tutt Harry Burton as Dennis Ebbrell Seamus Whitty as Liam Brooker Graham Crowden as Reggie Barton Gwen Taylor as Frances Le Bon Jamie de Courcey as Marcus Steadman Steven Pimlott as Judge Julia Swift as Angie Blunstone