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In page Johnny Mack Brown:

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When Monogram abandoned its brand name in 1952 (in favor of its deluxe division, Allied Artists), Johnny Mack Brown retired from the screen. He returned more than 10 years later to appear in secondary roles in a few Western films. Altogether, Brown appeared in more than 160 movies between 1927 and 1966, as well as a smattering of television shows, in a career spanning almost 40 years.