Clark Gable, Vivien Leigh, Thomas Mitchell, and Barbara O’Neil star in the Civil War epic Gone with the Wind (1939). Although it’s considered to be a cinematic landmark and an enduring classic, this movie has no nudity whatsoever. But you can see a flash of Viven’s cleavage when she’s bending over to put on her enormous antebellum dress. Then she straightens back up and her top-boob is gone