Guest Stars Nathan Stewart-Jarrett as Tony 2 Alex Jennings as Andrew Aldridge Jamie Demetriou as Marcus Aimee-Ffion Edwards as Tabby Andie MacDowell as Mrs. Howard Co Starring Ross Tomlinson as Tony 1 Rupert Vansittart as George Oliver Chris as Perce Nighthall Liz Kingsman as Clementine Jenny Bede as Soph Milanka Brooks as 'Stasia Robert Gill as Oscar Rosa Escoda as Casting Associate Alice Marshall as Atalanta Hannah Sinclair Robinson as Casting Woman Uncredited Tom Mison as Quentin