Guest Stars Matilda Ziegler as Christine Miller Neil Maskell as Martin Moran Cavan Clerkin as Craig Mark Benton as Professor Elias Blackwell Khalid Laith as Ahmed Ansari Jane Lapotaire as Fiona Deakin-Jones Keith Bartlett as DCI Harris Nigel Betts as Mike Brennan Alison Lintott as Caroline Moran Colin Tierney as Michael Sweet Joseph Long as Dmitri Zavos Maggy Sherif as Narima Ansari Uncredited Nick Turner as C.I.D.
