<P> The name "Kate Elder" was one of several names used by Mary Katherine Horony Cummings, better known as "Big Nose Kate", a western icon and sometime companion of dentist / gambler / gunfighter Doc Holliday . </P> <P> John Wayne and Dean Martin had also starred in Howard Hawks's Rio Bravo six years earlier, one of Martin's earliest dramatic roles after splitting with his longtime comedic partner Jerry Lewis . </P> <P> Four years later, Henry Hathaway also directed John Wayne in his first Academy Award - winning role of Indian Territory U.S. Marshal Rooster Cogburn in the original screen version of True Grit (1969). In addition to Wayne, actors Strother Martin, Dennis Hopper, and Jeremy Slate were all cast in that film as well . </P> <P> Johnny Cash sang a song in 1965 also called "The Sons of Katie Elder", written by Elmer Bernstein and Ernie Sheldon . The film's background instrumental theme music was also composed by Elmer Bernstein . </P>

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