Producciones Volcán ... [and others] presentan ; con la participación de Total Filmes (Brasil) ; productor, Jorge Prior ; guión y dirección, Rafael Montero
Columbia Pictures presents ; a Martin Ransohoff production ; a Ralph Bakshi film ; written by Ronni Kern ; produced by Ralph Bakshi and Martin Ransohoff ; directed by Ralph Bakshi
Columbia Pictures ; a Lansbury/Duncan/Beruh production ; directed by David Greene ; screenplay by David Greene and John-Michael Tebelak ; produced by Edgar Lansbury
Sony Pictures Classics ; adaptation and screenplay by Ugo Pirro, Vittorio Bonicelli ; produced by Gianni Hecht Lucari for Documento Film and Arthur Cohn ; directed by Vittorio De Sica