With the action so tightly hinging on the performances of those starring in the show (including Stephen Graham, Ashley Walters and Erin Doherty), many of us are wondering where we've seen the actors ...

Ashley Walters and Erin Doherty), many of us are wondering where we've seen the actors before - including Faye Marsay, who stars as DS Misha Frank in the show. While some of the stars are ...