a Daniel H. Blatt & Robert Singer production in association with Warner Bros. Television ; writers, Paul Monash ... [and others] ; directors, Paul Krasny .. [and others].
Syfy original ; Jocko Productions ; Amblin Television ; Dark Horse Entertainment ; Universal Content Productions ; created for television by Chris Sheridan ; produced by Brian Leslie Parker ; written by Chris Sheridan ... [and others] ; directed by Robert Duncan McNeill ... [and others]
BBC ; BBC Wales ; producer, Richard Stokes ; written by Chris Chibnall, James Moran, Helen Raynor, Catherine Tregenna, J.C. Wilsher, Matt Jones, Joseph Lidster, Phil Ford and Peter J. Hammond ; directed by Ashley Way, Colin Teague, Andy Goddard, Jonathan Fox Bassett and Mark Everest