BBC ; writers, Paul Logue, Paul Matthew Thompson, Martha Hillier ; directors, Paul Gay, Lawrence Gough, Carolina Giammetta, Declan O'Dwyer ; producer, Will Nicholson
ITV Studios ; ITV Studios Global Entertainment ; written by Paul Matthew Thompson, Paul Logue, Martha Hillier ; producer, Letitia Knight ; directed by Paul Gay, David Leon, Chris Baugh, Lee Haven Jones
ITV Studios ; ITV Studios Global Entertainment ; writers, Martha Hillier, Glen Laker, Paul Matthew Thompson ; producer, Letitia Knight ; directors, Marek Losey, Jill Robertson, Jamie Childs, Paul Gay
created and written by Julian Unthank ; written by Matthew Thomas ; produced by Linda James and Savannah James-Bayly ; directed by Ian Emes, Theresa Varga ; co-produced by Acorn Media Enterprises ; Sly Fox Productions for Acorn Media Enterprises
created and written by Julian Unthank ; written by Matthew Thomas ; produced by Linda James & Tim Vaughn ; directed by Ian Emes, Jamie Magnus Stone ; Sly Fox Productions for Acorn Media Enterprises ; produced in association with Ferncroft Media Limited in collaboration with ZDF Enterprises