Guest Stars Elizabeth Roberts as Liv Stern Chukwudi Iwuji as Alex 'Zander' Hale Mollie Cowen as Matilda 'Tilly' Stern Toby Oliver as Vinnie Stern Kobna Holdbrook-Smith as Vicar Glen Peters Ellora Torchia as Maggie Lavelle Afolabi Alli as Sean Bainbridge Jay Saighal as Michael McKenzie Maya Sondhi as Dawn McKenzie Anna-Maria Everett as Donna Ahmed Jamal as Miles Butler Shobu Kapoor as Annie Butler Nicholas Gleaves as Bill Graham Claire Rushbrook as Foreign Secretary Emma Graham Bryan Dick as Ramsey Sawyer Steve Edge as Matthew Royston Brian Croucher as Bobby Uncredited Deborah Rock as Lawyer Marian Lorencik as Management
