Guest Stars Fiona Dolman as Sarah Barnaby Tamzin Malleson as Dr. Kate Wilding Francis Magee as Smudgepot Andrew Havill as Rev. Conrad Walker Denise Black as Chloe Baker Ian Peck as Wilberforce Richard Hawley as Will Green Greg Hicks as Rev. Norman Grigor Warren Clarke as Samuel Quested Eleanor Yates as Alice Quested Patrick Ryecart as Anthony Devereux Stephen Marcus as Silas Trout Niamh Quinn as Prudence Natalie Klamar as Esme Baker Bernard Lloyd as Byron Street Beatrice Comins as Evelyn Grigor Jonathan Jaynes as Jonathan Oak Richard Bradshaw as Peter Slim Uncredited Kelvin Wise as Armed Response Unit Jimmy Ryan-Shedden as Abbas Man