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