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