China Sky (1945)
China Sky (aka Pearl Buck's China Sky) is a 1945 RKO Pictures film based on the novel by Pearl S. Buck. It was directed by Ray Enright and featured movie idol Randolph Scott, teamed with Ruth Warrick, Ellen Drew and Anthony Quinn. Although set in wartime China, Quinn and other lead actors portrayed Chinese characters, in keeping with other period films that employed Caucasian actors in oriental roles.
More at Wikipedia.