Guest Stars Kingsley Ben-Adir as Dr. Marcus Summer Phoebe Thomas as Nicky Christine Kavanagh as Karen Kenworthy Christopher Villiers as Noel Underwood Annmarie Hosell as Receptionist Teresa Banham as Lorna Underwood Wendy Patterson as Valerie Michael Hodgson as Thomas Kenworthy Victoria Inez Hardy as Amy Dave Hill as Larry Crowe John Woodvine as Alan Kenworthy Niek Versteeg as Paul Rob Jarman as David Kenworthy Maxine Finch as Doctor Gordon Kane as Landlord Gary Kitching as Chip Shop Owner Phil Corbitt as Taxi Driver Maxie Peters as Security Officer
