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 co-production of Mammoth Screen and Masterpiece in assocation with ITV Studios ; directed by Shaun Evans, Ian Aryeh, Kate Saxon ; produced by James Levison, Charlotte Webber ; written and devised by Russell Lewis
BBC ; writers, Paul Logue, Paul Matthew Thompson, Martha Hillier ; directors, Paul Gay, Lawrence Gough, Carolina Giammetta, Declan O'Dwyer ; producer, Will Nicholson
producer, Guy de Glanville ; director, Andy Wilson ; created and written by Chris Lang ; produced by Mainstreet Pictures for ITV ; co-produced with Masterpiece