Paulo Branco apresenta ; argumento, Rui Cardoso Martins, Tiago Guedes, com a colaboração de Gilles Taurand ; uma co-produção, Leopardo Filmes, Alfama Films (Paris) ; produtor, Paulo Branco ; realização, Tiago Guedes
a production of Florentine Films and WETA, Washington, DC ; a film by Ken Burns & Lynn Novick ; directed by Ken Burns & Lynn Novick ; written by Geoffrey C. Ward ; produced by Sarah Botstein, Lynn Novick, & Ken Burns