Ralf Little as DI Neville Parker
Don Warrington as Commissioner Selwyn Patterson
Joséphine Jobert as DS Florence Cassell
Shantol Jackson as Sergeant Naomi Thomas
Ginny Holder as Darlene Curtis
Danny John-Jules as Officer Dwayne Myers
Élisabeth Bourgine as Mayoress Catherine Bordey
Ben Miller as DI Richard Poole
Kris Marshall as DI Humphrey Goodman
Ardal O'Hanlon as DI Jack Mooney
Aude Legastelois as DS Madeleine Dumas
Sara Martins as DS Camille Bordey
Gary Carr as Officer Fidel Best
Shyko Amos as Officer Ruby Patterson
Tobi Bakare as Sergeant JP Hooper
Tahj Miles as Trainee Officer Marlon Pryce