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
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
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