Juliet StevensonMatilda Anchor-Ferrers Owen TealeOliver Anchor-Ferrers Annes ElwyLucia Anchor-Ferrers Sian Reese-WilliamsDI Maia Lincoln Anthony WebsterIvan Penderecki Tim TreloarThe Walking Man Finnbar HaymanSergeant Cox Karl JohnsonColonel Frink Zadeiah Campbell-DaviesEmily Mabli Jen EustaceJessica Bell Amanda DrewSupt Harper Driscoll Caroline BerryDoctor Diaz Bethan HarveySophie's Mum Hedydd DylanBeca Van Der Bolt Gethin AldermanMinnet Kable Robyn AshwoodDrunk Girl (as Robyn Ellan Ashwood) Kristoffer NyholmRegisseur Megan GallagherScreenplay Elaine CameronExecutive Producer Laurent BoisselExecutive Producer Eryl EllisProduction Design Sam HeasmanDirector Of Photography Rasmus ArrildtDirector Of Photography Claire PritchardHair Designer Amy CarterHair Supervisor Ray HolmanCostume Designer Natalia AlexeevaSecond Second Assistant Director Nathan GibsonOnline Editor Joseph KeirleAssistant Editor Payam HosseinianSound Effects Editor Robert EdwardsFoley Editor Markus AndreasSound Effects Editor Harry PlatfordDialogue Editor Gareth Rhys JonesFoley Artist Chris RoeOriginal Music Composer Doug SinclairSupervising Sound Editor Helen FaulknerFoley Editor Kath PollardSound Re-Recording Mixer Liv DuffinPost Production Coordinator Ri McDaid-WrenCasting Associate Jim BeagleySpecial Effects Supervisor