Guest Stars Fiona Dolman as Sarah Barnaby Manjinder Virk as Dr. Kam Karimore Neil Morrissey as Mitch McAllister Sara Powell as Maxine Lockston Phoebe Campbell as Tara Lockston Vicki Pepperdine as Barbara Walton Frances Barber as Ingrid Lockston Emilio Doorgasingh as Azeem Meer Sam Troughton as Henry Marsh Joe Sims as Adrian Peck Clive Swift as Felix Hope Marty Cruikshank as Cecily Hope Philip Bird as Duncan Walton Katy Cavanagh as Lena Ferrera James Atherton as Jensen Marsh