MalacosaCINE presenta ; en coproducción con Varios Lobos, Una Comunión, Pimienta Films, Zoología Fantástica, Zamora Films ; una película de Yulene Olaizola y Rubén Imaz ; producción, Pablo Zimbrón, Yulene Olaizola, Rubén Imaz
editor in chief, Paco Asensio ; editor and original texts, Aurora Cuito ; English translation, William Bain ; German translation, Bettina Beck ; French translation, Michel Ficerai ; Italian translation, Giovanna Carnevali
an Our Time Projects and Documentary Group production ; a film by Matthew Heineman ; produced by Tom Yellin ; directed and produced by Matthew Heineman