There has been multiple Welsh films such as "The Corn Is Green" in 1945, "The Three Weird Sisters" in 1948, and "The Last Days of Dolwyn" in 1949.
1945: The Corn Is Green, starring Bette Davis, was directed by Irving Rapper. 1948: The Three Weird Sisters was filmed near Aberdare, directed by Daniel Birt. 1949: The Last Days of Dolwyn was filmed at the Lake Vyrnwy dam. It is divided between those that are in the English language, Welsh language, and no language (Silent film). 
