Mark Strong Daniel Milton Actor, Executive Producer Daniel Mays Lee Simmons Actor Carice van Houten Anna Willems Actor Catherine McCormack Beth Milton Actor Lily Newmark Eve Milton Actor Tobi King Bakare Jamie Harris Actor Wunmi Mosaku Mercy King Actor Craig Parkinson Keith Sullivan Actor Rhys Ifans Gubby Actor Liza Marshall Executive Producer Mark O'Rowe Writer, Executive Producer David Roger Production Design Matthew Herbert Original Music