Guest Stars Pearl Mackie as Alysse Jess Chanliau as Ronnie Buckhurst Georgie Henley as Pensy Adam Silver as Howard Celia Imrie as Margaret "Meg" Roylin Nana Mensah as Billie Appiah Simon Chandler as Sir Merritt Grove Micky Sébastian as Brielle Fournier Etienne Guillou-Kervern as Ralsh Antoine Mathieu as Minister of Culture Alan Mahon as Warren Brigitte Barilley as Karoline Adrien Mubu as Jamil Stéphane Ly-Cuong as Gregoire