a film by Nettie Wild ; a Canada Wild production ; in association with the Canadian Broadcasting Corporation ; produced by Nettie Wild, Kirk Tougas, Betsy Carson ; written by Nettie Wild, Manfred Becker
esta fué una producción de TV UNAM ; realizacíon, Irma Avila Pietrasanta ; investigacíon y guión, Pilar López Martinez ; produccíoin, Joaquin Palma Ciénega