Guest Stars Louise Brealey as Cass Penny Downie as Ellen Jessica Gunning as Jan Geoffrey McGivern as Uncle Geoff Olivia Poulet as Alison Oliver Maltman as Mike John Macmillan as Julian Penny Ryder as Wendy Dan Mersh as Tom Julian Kostov as Luca Tsion Habte as Sally Bob Golding as Jogger Moyo Akandé as Katie Scherrikar Bell as Nurse Esmonde Cole as Police Officer