In Sam Pekinpah's western movie from 1962 who co-starred with Joel McCrea?

Sam Pekinpah's Ride the High Country (Guns in the Afternoon in the UK) is a 1962 western starring Joel McCrea, and Mariette Hartley; supporting cast included Edgar Buchanan, James Drury & Warren Oates. The script, credited solely to TV screenwriter N B Stone Jr., was reputedly almost entirely the work of Stone's friend and colleague, William S. Roberts & Peckinpah. In 1992, it was selected for preservation in the National Film Registry by the US Library of Congress as "culturally historically or aesthetically significant"