Kudos Productions Ltd. ; in association with BBC America ; written and created by Abi Morgan ; produced by Ruth Kenley-Letts ; episode directors, Coky Giedroyć, Harry Bradbeer, Jamie Payne
ITV Studios and Masterpiece ; series producer Dominic Barlow ; producer, Jeremy Piven ; directed by Robert Del Maestro, Bill Anderson, Fraser MacDonald, Joss Agnew, and Rob Evans ; written by Helen Raynor, Kate O'Riordan, Matt Jones, James Payne, Ben Morris, and Hamish Wright ; created by Andrew Davies ; developed by Kate Brooke
series created by Heidi Thomas ; produced by Ann Tricklebank ; written by Heidi Thomas, Nicola Wilson, Jonathan Harvey, Lena Rae, Lucy Catherine, Lisa Holdsworth ; directed by Syd Macartney, Ann Tricklebank, Noreen Kershaw, Thomas Hescott, David O'Neill, Sarah Esdaile, James Larkin, David Tucker ; a Neal Street production for BBC and PBS