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
A Tiger Aspect and Lookout Point production for the BBC, A BBC America Co-production ; produced by Stephen Smallwood ; directed by Tom Shankland, Christopher Menaul, Kieron Hawkes, Andy Wilson
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
Tiger Aspect Productions ; Lookout Point ; produced with the participation of the Irish Film Board in association with BBC Worldwide ; a BBC America co-production ; created by Richard Warlow ; produced by Stephen Smallwood