Guest Stars Ed Stoppard as James Embleton Cal MacAninch as David Loader Velile Tshabalala as Kristen Wayne Foskett as Brian Blackburn Mark Womack as Tom Hancock James Burrows as Derren Blackburn 2013 Adie Allen as Stella Hancock Teresa Banham as Alison Ryder Tim Preece as George Ryder David Westhead as DI Bob Cherry Richard Johnson as Sir William Embleton Anna Jaskolka as Agency Nurse Jake Arrowsmith as Peter Hancock Nicola Goodchild as Jennifer Larsen