Guest Stars Charlie Heaton as Riley Katie Brayben as Sally Katherine Rose Morley as Claire Viner Elliot James Langridge as Ryan Wayne Foskett as Jim Viner Tachia Newall as Ben Dorian Lough as Malcolm Raggert Co Starring Riley Jones as DC Mark Edwards Katie Clarkson-Hill as Jade Sally Scott as Deena Viner Amerjit Deu as Dr. Bharat Mann Amer Nazir as Adash Athene Parker as Vanessa Alex Elliott as Warden