Guillermo Calles: A Biography of the Actor and Mexican Cinema Pioneer - Rogelio Agrasánchez, Jr. - Google Books

https://books.google.de/books?id=SSobsiSzXZgC

In 1912, Guillermo Calles (1893–1958) became the first Mexican actor to appear in films made in California. Despite limited resources, he began directing and producing his own movies, and in 1929 pioneered production of Spanish-language sound films. His…