Gurza brothers

   Humberto and Miguel Gurza were animal trainers who started working in movies on the "Chanoc" series, supplying animals and appearing on-screen as actors. Humberto took over the hero's role from Gregorio Casal for three films, beginning wi th Las tarantulas (1971). Miguel, slightly more sinister in appearance, often played villains (including vampires in Chanoc vs. el tigre y el vampiro and La montaña del diablo). They have continued to appear in films from time to time, into the '90s.