David Wolstencroft Creator Peter Firth Harry Pearce Actor Hugh Simon Malcolm Wynn-Jones Actor Nicola Walker Ruth Evershed Actor Rupert Penry-Jones Adam Carter Actor Miranda Raison Jo Portman Actor Hermione Norris Ros Myers Actor Raza Jaffrey Zafar Younis Actor Anna Chancellor Juliet Shaw Actor Gugu Mbatha-Raw Jenny Actor James Dicker Wesley Carter Actor William Key Andrew Faulkes Guest Star Maisie Dimbleby Lucy Dempsey Guest Star James Greene Charlie Holland Guest Star Alec Newman Richard Dempsey Guest Star Marcel Iures Niko Grecic Guest Star Michael Maloney John Russell Guest Star Julian Holmes Director Neil Cross Writer Simon Crawford-Collins Executive Producer Jane Featherstone Executive Producer