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
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
directed by Steve James ; produced by Mark Mitten, p.g.a, Julie Goldman, p.g.a. ; a Mitten Media, Motto Pictures and Kartemquin Films production for WGBH/Frontline and Independent Television Service (ITVS) in association with Blue Ice Docs