series created and written by Heidi Thomas ; written by Louise Ironside, Carolyn Bonnyman, Andrea Gibb, Debbie O'Malley, Lisa Holdsworth, Amy Roberts & Loren McLaughlan ; produced by Ann Tricklebank ; directed by Syd Macartney, Kate Saxon, David O'Neill, Christiana Ebohon, Kate Cheeseman ; Neal Street Productions for BBC and PBS
Tiger Aspect Productions ; Lookout Point ; produced with the participation of the Irish Film Board in association with BBC Worldwide ; a BBC America co-production ; created by Richard Warlow ; produced by Stephen Smallwood
series created by Heidi Thomas ; produced by Ann Tricklebank ; written by Heidi Thomas, Jonathan Harvey, Debbie O'Malley, Joe Ainsworth, Andrea Gibb [and others] ; directed by Ann Tricklebank, David O'Neill, Noreen Kershaw, Afia Nkrumah, Thomas Hescott ; a Neal Street production for BBC and PBS
a Scott Free Films/Hardy Son & Baker production for BBC ; produced by Timothy Bricknell ; created by Steven Knight with Tom Hardy & Chips Hardy ; written by Steven Knight, Emily Ballou, Ben Hervey, Chips Hardy ; directed by Kristoffer Nyholm, Anders Engström
a Tiger Aspect and Lookout Point production in association with Brown Bear Films for Amazon and BBC Worldwide ; BBC America co-production ; produced by John Rushton, Joe Donaldson ; written by Rachel Bennette, Justin Young, Matt Delargy, Toby Finlay ; directed by Kieron Hawkes, Luke Watson, Anthony Byrne ; written and created by Richard Warlow