Mr. Rainey's exhaustive and unbroken television career began in 1952 with an appearance on something called "Cowboy G-Men" and concluded with a series of guest appearances on the sitcom "The King of Queens." In between, he acted on such famous programs as "U.S. Steel Hour," "Kraft Television Theater," "Bonanza," "Rawhide," "The Waltons," "Mannix," "Perry Mason," "Daniel Boone," "The Outer Limits," "The Fugitive," "Get Smart," "Gunsmoke," "The Rockford Files," "M*A*S*H" and "Wiseguy." He often portrayed Abraham Lincoln and played fictional Commanders-in-Chief as well, including "The President" in the pilot episode for "Lost in Space," and “President McNeil” on "Voyage to the Bottom of the Sea."