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
HBO Original Programming ; HBO Entertainment presents ; produced by Davis Guggenheim, Ted Mann, Elizabeth Sarnoff, Ed Bianchi ; executive producer, David Milch, Gregg Fienberg, Elizabeth Kling, Mark Tinker ; created by David Milch ; Red Board Productions
HBO Entertainment presents ; Roscoe Productions, Inc. ; Red Board Productions ; Paramount ; created by David Milch ; producer, Ted Mann ; executive producers, Gregg Fienberg, Mark Tinker, David Milch ; episode directors, Mark Tinker, Dan Attias, Gregg Fienberg, Ed Bianchi, Daniel Minahan, Tim Hunter, Adam Davidson
Video Vérité ; a video documentary by Alan Raymond and Susan Raymond ; produced, videotaped and edited by Alan Raymond and Susan Raymond ; executive producer, David Loxton ; a production of the TV Lab at WNET Thirteen
executive producer, Joel Silver ; created by Rob Thomas ; produced by Paul Kurta ; executive producer, Rob Thomas ; Silver Pictures Television ; Rob Thomas Productions ; Warner Bros. Television