una producción de Manuel Cristóbal, José Ma. Fernández de Vega ; para Sygnatia, Glow, Submarine Amsterdam, Hampa Studio ; una producción de Manuel Cristóbal [and 4 others] ; guión, Eligio Montero, Salvador Simó ; dirigida por Salvador Simó
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
[presented by] Video Filmes [and others] ; produzido por Isabel Diegues, Maurício A. Ramos, Walter Salles ; colaboração no roteiro, Marcelo Gomes, Sergio Machado ; escrito e dirigido por Karim Aïnouz
directed and filmed by Robin Hessman ; produced by Robin Hessman, Rachel Wexler ; a co-production of Red Square Productions, Bungalow Town Productions and ITVS International ; in association with YLE Jenny Westergård and American Documentary/POV
Red Square Productions presents ; a co-production with Bungalow Town Productions and ITVS International ; directed and filmed by Robin Hessman ; produced by Robin Hessman, Rachel Wexler