John Wayne made not ... the duo shot 1966’s El Dorado, which co-starred Robert Mitchum as the drunken lawman opposite Duke’s gunslinger. Interestingly, Wayne had replaced Mitchum just a ...

John Wayne went on to work with Mitchum's son Christopher on a few projects like Big Jake, but El Dorado marks the only time he and Robert Mitchum shared the screen. Putting two huge movie stars ...