Guest Stars Mark Dexter as Timothy Gray Steven Robertson as Malcolm Crowley Ed Birch as Harry Michael Gould as Deputy Commissioner Wainwright Elliot Kerley as Sam Jocelyn Macnab as Claire Simon Williams as Cavendish Anastasia Hille as Angela John Lightbody as Sergeant George Thomasin Rand as Mary Matthew Cullum as Constable Barry Simon Sherlock as DCI Compton Joanna Brookes as Mrs. Cross Co Starring Kieran Bew as Clerk on Train Angela Curran as Woman
