Guest Stars Richard McCabe as George Whigham Julia Davis as Maureen Guinness Albertine Kotting McMillan as Jeanne Campbell Olwen May as Dora Sophia Myles as Louise "Oui Oui" Campbell Amanda Drew as Yvonne MacPherson Camilla Rutherford as Diana Napier Sophie Ward as Janet Kidd Richard Goulding as Charles Jauncey Don Gallagher as Malcolm Kerr Mitchell Robertson as Lennox Daniel Burt as Ian Campbell Jr David Hargreaves as Niall Campbell Matthew Stagg as Brian Sweeny Lawrence Oswald as Colin Campbell Phoebe Nicholls as Helen Whigham Matt Rippy as Charles Sweeny Freddie Lund as Freddie Phoebe Farnham as Frances Sweeny