Barbara Machin Creator Trevor Eve Detective Superintendent Peter Boyd Actor Sue Johnston Dr. Grace Foley Actor Wil Johnson DI Spencer Jordan Actor Esther Hall Dr. Felix Gibson Actor Félicité Du Jeu DC Stella Goodman Guest Star Toby Stephens Dr. Nick Henderson Guest Star Nicola Stephenson Julia Henderson Guest Star Ayesha Dharkar Mary Sharman Guest Star Ronan Vibert Dr. Jonathan Lynch Guest Star Kelly Harrison Tina Guest Star Frank Harper John Tate Guest Star Francis Magee Gordon Christie Guest Star Imogen Bain Miriam Tate Guest Star Mark Monero Barnes Guest Star Alexis Conran Michael Sharman Guest Star Gareth Mason Russell Tate Guest Star Jake Seage Young Russell, Adam Henderson Guest Star, Guest Star, Casting Michael Offer Director Ed Whitmore Writer Patrick Spence Executive Producer Richard Burrell Producer Joe Campbell Music Paul Hart Music Mike Spragg Cinematographer St. John O'Rorke Film Editor Jane Deitch Casting