Airing on 3/16/1965, the episode "By The Numbers, Paint!" of the 1960s American Television series McHales Navy, McKinley plays visiting Senator Duncan. (1965 - Season 3, Episode 26 ) Other notable Television roles included parts on The Donna Reed Show, Hazel, Bewitched, Surfside 6, Sugarfoot, Ben Casey, 77 Sunset Strip, Perry Mason, Ironside, Marcus Welby, M.D., The Rockford Files, Eight Is Enough, Bret Maverick, Little House on the Prairie, The Wild Wild West, and in 1986 Highway to Heaven, his final appearance. McKinley died in Beverly Hills, California.