Maybe
China (1943)
It featured fleeing students.
There are sources that say he was in dozens of WW2 movies.
There was one that I remember only a piece of.
It was a WWII movie where the GIs were going to outfox the Germans by putting chains on their jeeps to make them sound like tanks.
Black and white and probably 50s era.
Philip Ahn (Korean) and Richard Loo (Chinese) played villainous Jap officers in several WWII films.
Back to Bataan is one example.