Rio Grande is a 1950 American romantic Western film directed by John Ford and starring John Wayne and Maureen O'Hara. It is the third installment of Ford's "Cavalry Trilogy", following two RKO Pictures releases: Fort Apache (1948) and She Wore a Yellow Ribbon (1949). Wayne plays the lead in all three films, as Captain Kirby York in Fort Apache, then as Captain Nathan Brittles in She Wore a Yellow Ribbon, and finally as a promoted Lieutenant Colonel Kirby Yorke in Rio Grande. Rio Grande's supporting cast features Ben Johnson, Claude Jarman Jr., Harry Carey Jr., Chill Wills, J. Carrol Naish, Victor McLaglen, Grant Withers, the Western singing group the Sons of the Pioneers and Stan Jones.