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