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
by Margery Allingham ; screenplay by Jill Hyem ; directed by Robert Chetwyn ; a BBC Television production ; in association with Consolidated Productions ; produced by Ken Riddington
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