ITV’s upcoming legal conspiracy thriller Fearless has added Michael Gambon to star alongside Peaky Blinders’ Helen McCrory. Shooting on the six-part drama penned by Homeland writer and executive producer Patrick Harbinson, is just beginning. Mammoth Screen (Victoria, Poldark) is producing and has set further main cast including actor-comedian John Bishop, Emmy nominee Robin Weigert (Jessica Jones), Jonathan Forbes (Catastrophe), Wunmi Mosaku (Dancing on the Edge) and Jamie Bamber (Marcella). McCrory plays Emma Blunt, a solicitor known for defending lost causes. She’s investigating the killing of a schoolgirl in East Anglia and trying to free the man she thinks was wrongly convicted of murder. As she digs deeper into the case, Emma begins to sense powerful forces, in the police and the intelligence services at home and abroad, who want to stop her uncovering the truth. ITV Studios Global Entertainment has international sales.