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 Sebastian Patterson as Young Stephen Clive Russell as Paul Richard Pepple as DS Howard Mark Weinman as Carl Walters Madeleine Bowyer as Jo Wayne Cater as Birdwatcher Craig Russell as Builder
