Nicola Walker Hannah Actor Meera Syal Goldie Actor Stephen Mangan Nathan Actor Fiona Button Rose Actor Deborah Findlay Ruth Actor Annabel Scholey Nina Actor Barry Atsma Christie Actor Rudi Dharmalingam James Actor Mathew Baynton Rex Pope Actor Elizabeth Roberts Liv Stern Actor Toby Oliver Vinnie Stern Actor Mollie Cowen Tilly Stern Actor Chukwudi Iwuji Zander Actor Kobna Holdbrook-Smith Glen Peters Actor Brenock O'Connor Sasha Actor Lara Pulver Kate Actor Damien Molony Tyler Actor Ian McElhinney Ronnie Actor Lindsay Duncan Caroline Actor Tanya Franks Sarah Pope Actor Anna-Maria Everett Donna Actor Afolabi Alli Sean Bainbridge Actor Jack Riley Eddie Pope Actor Zee Asha Sal Ward Actor Rebecca Deren Andie Peters Actor Jessica Hobbs Director Abi Morgan Writer, Executive Producer Jane Featherstone Executive Producer Dee Koppang O'Leary Director