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