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 Shobu Kapoor as Annie Butler Ahmed Jamal as Miles Butler Claire Rushbrook as Foreign Secretary Emma Graham Nicholas Gleaves as Bill Graham Steve Edge as Matthew Royston Bryan Dick as Ramsey Sawyer Brian Croucher as Bobby Uncredited Deborah Rock as Lawyer Marian Lorencik as Management
