BBC, the Fremantle Corporation co-production in association with Submarine Entertainment and Cactus 3 ; a film by Kenneth Bowser ; written and directed by Kenneth Bowser ; produced by Rachel Talbot [and] Kenneth Bowser
written and narrated by Daniel Gordon ; associate producer, Nicholas Bonner ; produced and directed by Daniel Gordon ; VeryMuchSo Productions, Passion Pictures for BBC, Thirteen WNET, in association with Arte
directed by Jeff Morgan ; performed by Philip Rham, Joyce Springer, Lex van Delden ; narrated by Haydn Gwynne ; produced by Jeff Morgan, British Broadcasting Corporation