Guest Stars Miranda Raison as Stella Drew Alison Steadman as Reverend Martha Seager Ariyon Bakare as Carl Drew Edward Fox as Dr. Yardley Crystal Leaity as Rachel Cliff Jane Slavin as Debbie Cliff Josh Bolt as Adam Tibbit Stephen Churchett as Richard Seager Andrew Paul as Ron Tibitt Glen Davies as Workman Norman Gregory as Porter Isabella Parriss as Pupil One Uncredited Richard Herdman as Police Officer Scott Stevenson as Police Officer