BBC ; writers, Paul Logue, Paul Matthew Thompson, Martha Hillier ; directors, Paul Gay, Lawrence Gough, Carolina Giammetta, Declan O'Dwyer ; producer, Will Nicholson
written and devised by Russell Lewis ; produced by John Phillips and Neil Duncan ; directed by Brady Hood [and 5 others] ; a co-production of Mammoth Screen and Masterpiece in association with ITV Studios
a co-production of Mammoth Screen and Masterpiece in association with ITV Studios ; directed by Johnny Kenton, Shaun Evans, Leanne Welham, Jamie Donoughue ; produced by Deanne Cunningham ; written and devised by Russell Lewis
PBS ; a co-production of ITV Studios/Masterpiece ; produced by Chris Burt ; directors, David Drury, Matthew Evans, Nick Laughland ; writers, Nick Hicks-Beach, Helen Jenkins, Chris Murray
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