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
written by Julia Gilbert, Matt Thomas, Chris Niel, Chris Murray, Maria Ward ; produced by Charles Palmer ; directed by Matt Carter, James Larkin, Roberto Bangura, Audrey Cooke ; a Free@Last TV & Company Pictures production ; co-produced by Acorn Media Enterprises, a division of AMC Networks
BBC ; writers, Paul Logue, Paul Matthew Thompson, Martha Hillier ; directors, Paul Gay, Lawrence Gough, Carolina Giammetta, Declan O'Dwyer ; producer, Will Nicholson
Greenlit Productions, produced in association with Paddock Productions ; produced by Simon Passmore and Jill Green ; written and created by Anthony Horowitz ; directed by Jeremy Silberston and David Thacker
produced by David Boutler ; written by Nick Dear, Mark Gatiss, Ian Hallard, Guy Andrews, Kevin Elyot ; directed by John Strickland, Peter Lydon, Tom Vaughan, Andy Wilson, Hettie Macdonald
written by Julia Gilbert, Chris Murray, Chris Niel ; produced by Guy Hescott ; directed by Carolina Giammetta, Roberto Bangura, Audrey Cooke, Matt Carter