Guest Stars Fiona Dolman as Sarah Barnaby Annette Badland as Dr. Fleur Perkins Kevin Whately as Jeremy Whittingdale David Rubin as Graham Handsworth Shobna Gulati as Shaila Handsworth Tessa Wong as Phoebe Whittingdale Dylan Wood as Luke Dunlow Clive Rowe as Derek Sharrow Alexander Hanson as Marcus Dunlow Jenna Russell as Faith Dunlow Samantha Spiro as Phyllis Cuttle Jane Bertish as Katisha Empson Mathew Bose as Dr. Simon Charteris Ben Goddard as Musical Director
