Guest Stars Jason Watkins as Simon Duke Sunetra Sarker as DCI Jane Burr Sacha Parkinson as Dani Delaney Ashley Walters as John Channing Stephen Lord as Luke Griffin Joel MacCormack as Liam Duke Gary Cargill as DI Olly Vedder Dervla Kirwan as Elizabeth Ellroy Phil Rowson as MacBride Charlie Kelly as Craig Lynsey McLaren as Julie Delaney Grahame Fox as Prisoner