Guest Stars Andrew Buchan as Wallace Webb Andrew Koji as Jason Davies Omari Douglas as Michael Ella Lily Hyland as Williams Sam Troughton as Stephen Yarrick Isabella Wei as Kai-Ming Chen Charlotte Rice-Foley as Jacqueline Webb Taylor Sullivan as Oliver Webb Gabrielle Creevy as Eleanor Finn Bennett as Cole Atwood Callum Coates as Thomas Agnes O'Casey as Dani Molly Chesworth as Marie Tai Yin Chan as Wu Lin Dan Li as Chang Hao Ebony Francis-Peddie as Ruby Adeel Akhtar as Prime Minister Richard Eaves Sally Scott as Political Correspondent Andy Cheung as Ambassador Chen William Hope as Mitch Porter Paapa Essiedu as Elmore Fitch Tracey Ullman as Alex Clark Adam Best as Agent Perryman Enikő Fülöp as Kent Tim Faraday as Bodyguard Angus Cooper as Trent Clark Timothy Harker as Les Mullery Sam Parks as James Thomas Chaanhing as Hang Chao
