ITV Studios and Masterpiece ; series producer Dominic Barlow ; producer, Jeremy Piven ; directed by Robert Del Maestro, Bill Anderson, Fraser MacDonald, Joss Agnew, and Rob Evans ; written by Helen Raynor, Kate O'Riordan, Matt Jones, James Payne, Ben Morris, and Hamish Wright ; created by Andrew Davies ; developed by Kate Brooke
a Playground Entertainment and Company Pictures production for BBC and Masterpiece in association with BBC Worldwide, Altus Media, and Prescience ; produced by Mark Pybus ; adapted for television by Peter Straughan ; directed by Peter Kosminsky