produced by Argus Films ; in co-production with the National Film Board of Canada ; produced with the assistance of Radio-Canada Télévision ; original idea and script, Nadia Zouaoui ; directors, Carmen Garcia, Nadia Zouaoui ; producers, Carmen Garcia, Yves Bisaillon
Instituto Nacional de Antropología e Historia ; John Simon Guggenheim Memorial Foundation ; guión, Ethelia Ruiz Medrano ; filmación y dirección, Helios Figueroa