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 WTTV Working Title Television co-production with BBC America in association with NBC Universal International Studios for the BBC ; executive producers, Tim Bevan, Eric Fellner, Juliette Howell, Tom Rob Smith ; created and written by Tom Rob Smith ; produced by Guy Heeley ; directed by Jakob Verbruggen