Nicola Walker Hannah Actor Stephen Mangan Nathan Actor Deborah Findlay Ruth Actor Annabel Scholey Nina Actor Fiona Button Rose Actor Barry Atsma Christie Actor Donna Air Fi Hansen Actor Rudi Dharmalingam James Actor Chukwudi Iwuji Zander Actor Damien Molony Tyler Actor Ellora Torchia Maggie Actor Ben Bailey Smith Richie Hansen Actor Elizabeth Roberts Liv Stern Actor Amaka Okafor Chloe Actor Louis Mahoney Bishop Tony Actor Elizabeth Counsell Amanda Venwell Actor Siobhan Cullen Carrie Scanlon Actor Mollie Cowen Tilly Stern Actor Toby Oliver Vinnie Stern Actor Marc Bosch Matteo Lopez Actor Millie Kent Innes Actor Laura Aikman Tabby Actor Romario Flemming Callum Hansen Actor Kye Carter-Osborne Ralph Hansen Actor Moses Walcott Dexter Hansen Actor Abi Morgan Writer, Executive Producer Jane Featherstone Executive Producer Lucy Dyke Executive Producer Natasha Romaniuk Producer Paula van der Oest Director