Billy Hayes (right) visits Brad Davis on the set of Midnight Express in 1978. The dog is a stray, adopted by Brad on the set. He named it Patrick, and took it home after filming wrapped and gave it to his mother.
If you click on the image, you can see it full size, and note Brad’s Marlboros and matches, scuffy sneakers, and patched jeans. Note too, the beauty of his forearms, and Patrick’s food-stained face.