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
Amazon Studios presents ; in association with BBC ; created by Phoebe Waller-Bridge ; written by Phoebe Waller-Bridge ; directed by Harry Bradbeer, Tim Kirkby ; produced by Sarah Hammond
created by Paul Marquess ; written by Jake Riddell, Sally Tatchell, Sarah-Louise Hawkins, Claire Fryer ; produced by Mary Hare ; directed by Fiona Walton, Sean Glynn ; a PGM TV production
a PGM TV Production, produced in association with Acorn Media Enterprises and ZDF Enterprises ; created by Paul Marquess ; written by Paul Marquess, Jake Riddell, Sally Tatchell, Sarah-Louise Hawkins ; produced by Mary Hare ; directed by Craig Pickles
Two Brothers Pictures ; All3Media ; created by Phoebe Waller-Bridge ; written by Phoebe Waller-Bridge ; produced by Lydia Hampson ; directed by Tim Kirkby, Harry Bradbeer
ITV Studios Limited. created by Andrew Davies ; written by Andrew Davies, Kate Brooke and Kate O'Riordan ; produced by Chrissy Skinns ; directed by Jon Jones, John Strickland, Anthony Byrne and Michael Keillor