Oregon Passage (also known as Rio Bravo) comes from director Paul Landres and features a screenplay by Jack DeWitt, based on a novel by Gordon D. Shirreffs. The cast includes John Ericson, Lola Albright, Toni Gerry, Edward Platt, Rachel Ames, and H.M. Wynant. Paul Dunlap composed the music, and Ellis Carter was in charge of CinemaScope photography. It’s peculiar that this Cavalry & Indians Western is obscure consi…