Jon Wright Director, Screenwriter Gillian Anderson Kate Actor Ben Kingsley Robin Smythe Actor Callan McAuliffe Sean Flynn Actor Geraldine James Monique Actor Ella Hunt Alexandra Actor Tamer Hassan Wayne Actor Steven Mackintosh Danny Actor Craig Garner Mediator 452 Actor Mark Stay Screenwriter Steve Christian Executive Producer Chris Clark Executive Producer Ivan Dunleavy Executive Producer Christian Eisenbeiss Executive Producer Aidan Elliott Producer Ian Flooks Producer Steve Milne Producer Justin Garak Producer Christian Henson Original Music Fraser Taggart Cinematographer Matt Platts-Mills Film Editing Amy Hubbard Casting Tom McCullagh Production Design Fiona Gavin Art Director Sally Black Set Decoration Hazel Webb-Crozier Costume Design