John Simm Jonah Mulray Actor Anthony Chau-Sang Wong David Chen Actor Emilia Fox Sally Porter Actor Dervla Kirwan Megan Harris Actor Christophe Tek Wilfred Chow Actor Tom Wu Daniel Tsui Actor Katie Leung Lau Chen Actor Anthony Hayes Michael Cohen Actor Tim McInnerny Arthur Bach Actor Mark Denton Writer Jonny Stockwood Writer Paul Andrew Williams Director, Executive Producer Matthew Bird Producer Harry Williams Executive Producer Jack Williams Executive Producer