Emilia Fox Dr. Nikki Alexander Actor William Gaminara Leo Dalton Actor Tom Ward Dr. Harry Cunningham Actor Jaye Griffiths Actor Mark Benton Actor Christine Tremarco Actor Arsher Ali Actor Tony Pitts Actor Simon Kunz Actor Charlie Creed-Miles Actor Steven Harwood-Brown Actor Roy Sampson Actor Barbara Flynn Actor Keith Bartlett Actor Antony Byrne Actor Robert Lonsdale Actor Sean Baker Actor Samantha Seager Actor Peter Charlton Actor Bernadett Kiss Actor Richard Signy Director Dudi Appleton Director, Writer Renny Rye Director Michael Crompton Writer Anthony Byrne Director James Strong Director Jim Keeble Writer Nigel McCrery Writer Laura Mackie Executive Producer Richard Davidson Writer Jessica Pope Executive Producer Oliver Brown Writer Susan Tully Director Richard Burrell Producer Keith Boak Director Timothy Prager Writer Timoth Prager Writer Phillippa Giles Executive Producer