Forbidden Valley

Forbidden Valley is a 1938 American action film written and directed by Wyndham Gittens. It is based on the 1937 novel The Mountains Are My Kingdom by Stuart Hardy. The film stars Noah Beery Jr., Frances Robinson, Robert Barrat, Fred Kohler, Alonzo Price and Samuel S. Hinds. The film was released on February 13, 1938, by Universal Pictures.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.