Guest Stars Adam James as Dr. Richard Fell Amanda Drew as DI Reid Mark Bonnar as Piers Christie Lashana Lynch as Shona Benson Bill Ward as Hearns Bryony Afferson as Petra Smith Bryan Dick as Lucas Ballinger Freya Parker as Mary Smith Davood Ghadami as Ali Kolahi Wendy Albiston as Stacey Greggs Ashley Chin as Mark Benson Alexander Newland as Flynn Deshaun Strong as Darius Benson Sammy Kissin as Ellisabet Vrinska Sean Jackson as Roper Matthew Owens as Firefighter
