Guerillas in Pink Lace (1964)

An American named Muprhy is in the Phillipines after the invasion of Pearl Harbor and wants to get out but lost all his money gambling. When the Japanese invade, he desperate to get out. Murphy meets a priest who's among the ones that are being evacuated and has a seat on a plane but he prefers to remain. So Murphy takes his place on the plane. But the plane is shot down and he finds himself on an island with five women who were also on the plane. They try to evade the Japanese while Murphy tries to maintain the pretense of being a priest with five lovely women.