Guest Stars Joss Porter as Phil D Andrew Rothney as Rich T Julian Harries as National Security Advisor Yasmin Wilde as Bushra Yousafzai Jamie Muscato as Finn Gavi Singh Chera as Sajid Parvin Nikita Zabolotny as Misha Alfie Friedman as Gabriel Davies Irena Tyshyna as Russian Newscaster Daniel O'Meara as Newscaster Julie Barclay as Sally J John Schwab as Matthew Mitchie Yanina Hope as FSB Lecturer Ernest Gromov as Yevgeny Elee Nova as Varvara Rick Bithell as ITN Reporter Alex Reid as Colonel Pauline Keele Yuri Klimov as Russian General Brendan Purcell as GCHQ Security Officer Jessica Layde as PC Sandy Bishop Anna Cannings as Mary Davies Charles Abomeli as General Landsman Tom Mumford as Police Sergeant Martin Trenaman as Harry Davies