"primera película del cine sonoro Boliviano" ; con: Raúl Vaca Pereira, Rosario del Rio ; guión: Oscar Soria ; fotografía y montaje: Jorge Ruiz, Nicolas Smolij ; direccion: Jorge Ruiz
Bullfrog Films presents ; A production of Earth Image Films for Nova ; WGBH Educational Foundation ; Producer, Christopher McLeod, Robert Lewis ; writer/director, Christopher McLeod ; for NOVA, senior producer, Kathleen Bernhardt
United Artists Pictures presents a Trilogy Entertainment Group production ; a Rachel Talalay film ; written by Tedi Sarafian ; produced by Richard B. Lewis, Pen Densham, John Watson ; directed by Rachel Talalay
a Steven Starr production ; in association with The Group Entertainment ; directed by Irena Salina ; produced by Steven Starr ; co-producers, Gill Holland, Yvette Tomlinson