Gary Oldman Jackson Lamb Actor Kristin Scott Thomas Diana Taverner Guest Star Jack Lowden River Cartwright Guest Star Saskia Reeves Catherine Standish Guest Star Rosalind Eleazar Louisa Guy Guest Star Christopher Chung Roddy Ho Guest Star Aimee-Ffion Edwards Shirley Dander Guest Star Kadiff Kirwan Marcus Longridge Guest Star Jonathan Pryce David Cartwright Guest Star Graham Yost Executive Producer Douglas Urbanski Executive Producer Will Smith Executive Producer James Hawes Executive Producer Gail Mutrux Executive Producer Iain Canning Executive Producer Emile Sherman Executive Producer Jamie Laurenson Executive Producer Hakan Kousetta Executive Producer Will Smith Writer Adam Randall Director Jane Robertson Executive Producer Julian Stevens Executive Producer Mark Denton Writer Morwenna Banks Writer Jonny Stockwood Writer Will Smith Writer