Guest Stars Chukwudi Iwuji as Alex 'Zander' Hale Elizabeth Roberts as Liv Stern Toby Oliver as Vinnie Stern Mollie Cowen as Matilda 'Tilly' Stern Ellora Torchia as Maggie Lavelle Kobna Holdbrook-Smith as Vicar Glen Peters Afolabi Alli as Sean Bainbridge Brenock O'Connor as Sasha Maya Sondhi as Dawn McKenzie Jay Saighal as Michael McKenzie Chanel Cresswell as Kelsey Ashworth Ruth Bradley as Lauren Brooker Thierry Mabonga as Diallo Diapo Uncredited Amy Ip as Trixie Ty Hurley as Courtroom Usher Alexandra Kiss as Lawyer