written by Tony Marchant and Damian Wayling ; co-created by Tony Marchant ; directed by Ashley Pearce ; produced by Nick Pitt ; Twenty Twenty Productions Ltd. ; Shed Media Scotland ; BBC
Scott & Larry Productions ; Color Force ; Ryan Murphy Productions ; FX Productions ; Fox21 Television Studios ; producers, Chip Vucelich, John Travolta, Alexis Martin Woodall ; developed for television by Scott Alexander & Larry Karaszewski
BBC ; directed by Michael Offer, David Evans, Catherine Morshead ; created by Peter Moffat ; written by Peter Moffat and Steve Thompson ; produced by Cameron Roach
Wolf Films ; created by Dick Wolf ; directed by Ed Sherin ... [and others] ; written by Kathy McCormick .. [and others] ; produced by Billy Fox ... [and others].