Claim: There has been multiple Welsh films such as "The Corn Is Green" in 1945 starring Bette Davis, "The Three Weird Sisters" in 1948 directed by Daniel Birt, and "The Last Days of Dolwyn" in 1949, which was filmed at the Lake Vyrnwy dam.
Evidence: 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.