Guest Stars Louise Brealey as Cass Geoffrey McGivern as Uncle Geoff Penny Downie as Ellen Jessica Gunning as Jan Olivia Poulet as Alison Oliver Maltman as Mike Caius Luckyn-Malone as Young Andrew Matthew Holness as Laurie Jonathan Watson as Dave Julie Dray as Juliet Phaldut Sharma as Chris Charlie Baker as Alfie Tate Tommy Love as Diner Joanne Sandi as Librarian
