Guest Stars Louise Brealey as Cass Penny Downie as Ellen Geoffrey McGivern as Uncle Geoff Olivia Poulet as Alison Jessica Gunning as Jan Oliver Maltman as Mike Caius Luckyn-Malone as Young Andrew Sebastian Patterson as Young Stephen Richard Pepple as DS Howard Clive Russell as Paul Mark Weinman as Carl Walters Wayne Cater as Birdwatcher Madeleine Bowyer as Jo Craig Russell as Builder
