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