Guest Stars Alex Eastwood as Luke Eve Prenelle as Ava Alun Armstrong as Jim Joanna Bacon as Jackie Jayda Eyles as Young Ava George Wakeman as Young Luke Alistair Green as Camera Guy Jonathan Nyati as Therapist 1 Co Starring Ben Ashenden as Teaching Assistant Dystin Johnson as Therapist 2 Tom Scurr as Therapist 3 Romayne Andrews as Jake