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
BBC ; directed by Michael Offer, David Evans, Catherine Morshead ; created by Peter Moffat ; written by Peter Moffat and Steve Thompson ; produced by Cameron Roach
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