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