a co-production of Mammoth Screen Ltd. and Masterpiece in association with ITV Studios ; producer, Tom Mullens ; directors, Sandra Goldbacher, Bryn Higgins, Lawrence Gough, Olly Blackburn ; written and devised by Russell Lewis
created by Mark Gatiss, Steven Moffat ; produced by Sue Vertue ; executive producer Masterpiece, Rebecca Eaton ; executive producer for BBC, Bethan Jones ; executive producers, Mark Gatiss, Steven Moffat, Beryl Vertue ; Hartswood Films production for BBC, Cymru Wales in co-production with Masterpiece
Twin Peaks Productions, Inc. ; Paramount Pictures ; Lynch/Frost Productions in association with Propaganda Films ; produced by David J. Latt ; written by Mark Frost ... [and others] ; directed by David Lynch