Guest Stars Vincent Regan as Dominic Carter Daniel Ezra as Dan Johnson Derek Riddell as Paul Brightman Shannon Hayes as Ella Johnson Tamara Lawrance as Clem Johnson Angel Coulby as Julia Redhead Alistair Petrie as Robert Greenlaw Leanne Best as Abigail Strickland Ṣọpẹ́ Dìrísù as Michael Antwi Sam Stockman as PC Rose David Schofield as Alex Brady Cecilia Noble as Mrs. Antwi Thomas Dominique as Big Ray Glyn Grimstead as Sgt. Douglas Trimble