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 Leanne Best as Abigail Strickland Ṣọpẹ́ Dìrísù as Michael Antwi Ian Peck as Peter Mackie Thomas Dominique as Big Ray