Special Guest Stars Jonathan Pryce as David Cartwright Co Starring Rosalind Eleazar as Louisa Guy Saskia Reeves as Catherine Standish Christopher Chung as Roddy Ho Chris Reilly as Nick Duffy Freddie Fox as Spider Webb Dustin Demri-Burns as Min Harper Samuel West as Peter Judd Bally Gill as Agent Singh Antonio Aakeel as Hassan Ahmed Pierro Niel-Mee as Agent McCrae Steven Waddington as Jed Moody Paul Hilton as Robert Hobden Anita Anand as Herself Tom Bradby as Himself Olivia Cooke as Sidonie Baker Paul Higgins as Struan Loy Olwen May as Receptionist at The Park Kal Sabir as BBC Reporter Lesley Harcourt as Agent Owen Roli Okorodudu as AA Chairperson Angela Yeoh as Professor Rachel Harrison-Smith Miltos Yerolemou as Theo Makris Michael Garner as Michael Portland Ross Smith as John Katie Lyons as Kirsty (AA) Christopher Villiers as Greg Simmonds Saem Ahmed as Young Asian Man Ved Sapru as 2nd Heathrow Suspect