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
Content Television presents ; a World production in association with BBC Northern Ireland, Creative England, European Regional Development Fund and Advantage West Midlands ; writer and producer Jed Mercurio ; directors David Caffrey, Douglas Mackinnon
a La Plante production ; written by Julie Dixon, Phil Gladwin and Lynda La Plante ; directed by Alex Pillai, Tristram Powell and Michael Whyte ; produced by Christopher Hall and Lynda La Plante
a La Plante production ; written by Lynda La Plante ; directed by Tristram Powell, Andy Hay and Edward Hall ; produced by Christopher Hall and Lynda La Plante
a PGM TV Production, produced in association with Acorn Media Enterprises and ZDF Enterprises ; created by Paul Marquess ; written by Paul Marquess, Jake Riddell, Sally Tatchell, Sarah-Louise Hawkins ; produced by Mary Hare ; directed by Craig Pickles
a Kudos Film and Television production for BBC Wales ; co-created by Matthew Graham, Ashley Pharoah, Tony Jordan ; produced by Claire Parker ; directed by Bharat Nalluri ... [and others] ; written by Matthew Graham .. [and others].
a Kudos Film and Television production for BBC Wales ; produced by Cameron Roach ; directed by S.J. Clarkson, Richard Clark, and Andrew Gunn ; co-created by Tony Jordan, Ashley Pharoah, Matthew Graham ; written by Matthew Graham ... [and others]