Gary Oldman Jackson Lamb Actor Kristin Scott Thomas Diana Taverner Actor Jack Lowden River Cartwright Actor Saskia Reeves Catherine Standish Actor Rosalind Eleazar Louisa Guy Actor Christopher Chung Roddy Ho Actor Samuel West Peter Judd Actor Aimee-Ffion Edwards Shirley Dander Actor Jonathan Pryce David Cartwright Actor Hugo Weaving Frank Harkness Actor Chris Reilly Nick Duffy Actor Sophie Okonedo Ingrid Tearney Actor Kadiff Kirwan Marcus Longridge Actor Sope Dirisu Sean Donovan Actor Freddie Fox Spider Webb Actor Graham Yost Executive Producer James Hawes Executive Producer Will Smith Executive Producer Douglas Urbanski Executive Producer Gail Mutrux Executive Producer Iain Canning Executive Producer Emile Sherman Executive Producer Jamie Laurenson Executive Producer Hakan Kousetta Executive Producer