Special Guest Stars Ṣọpẹ́ Dìrísù as Sean Donovan Guest Stars Rosalind Eleazar as Louisa Guy Saskia Reeves as Catherine Standish Christopher Chung as Roddy Ho Chris Reilly as Nick Duffy Aimee-Ffion Edwards as Shirley Dander Kadiff Kirwan as Marcus Longridge Freddie Fox as Spider Webb Christopher Coghill as Hobbs Samuel West as Peter Judd Eliot Salt as Sarah Dunn Charlie Rowe as Ben Dunn Nick Blood as Sturges Gavin Spokes as Sly Monteith Co Starring Olwen May as Receptionist at The Park George Smale as Rafer - Chieftain Security Lucy Aarden as Chieftain Receptionist Iain Fletcher as Chauffeur George Whitehead as Police Officer Jordache Sarah Seggari as Police Officer Moseley Al Barclay as Maître d' Brahmdeo Shannon Ramana as Chieftain Aide