Guest Stars Andrew Koji as Jason Davies Ella Lily Hyland as Williams Sam Troughton as Stephen Yarrick Andrew Buchan as Wallace Webb Isabella Wei as Kai-Ming Chen Taylor Sullivan as Oliver Webb Charlotte Rice-Foley as Jacqueline Webb Omari Douglas as Michael Ken Nwosu as Bill Agnes O'Casey as Dani Molly Chesworth as Marie Nathan Stewart-Jarrett as Zack Adam Silver as Arnie Sally Scott as Political Correspondent Andy Cheung as Ambassador Chen Hannah Khalique-Brown as Maggie Jones Enikő Fülöp as Kent Thomas Coombes as Phillip Bray Justine Mitchell as Emma Philipp Christopher as Daniel Antonia Campbell-Hughes as Georgina Rat Scabies as Bingo Elizabeth Hopley as Beth Robert Ashe as Santa Claus
