Nicola Walker
as Detective Sergeant Jackie "Stevie" Stevenson
Eddie Marsan
as Thomas Cream
Adeel Akhtar
as Ira King
Owen Teale
as Marcus McDonald
Michael Maloney
as Tom Read
Sorcha Cusack
as Bridie Stevenson
Turlough Convery
as Frankie Stevenson
Jim Norton
as Michael Bennigan