Guest Stars Rachael Stirling as Rebekah Chaban Kevin Eldon as Roy Colin Emma Cunniffe as Cassie Lyall Tomiwa Edun as Greg Milton-Elwes Jonny Phillips as Gulliver Bauer Jack Ashton as Toby Hansard Sheyi Ryane as Benoit's Solicitor Félicien Juttner as Benoit Chaban Ella Gilling as Kitty Collin Samuel Holmes as Chris Milton-Elwes