Lee Majors isn't a television actor.
Lee Majors ( born Harvey Lee Yeary ; April 23 , 1939 ) is an American film , television and voice actor . Majors is best known for portraying the roles of Heath Barkley in the American television Western series The Big Valley ( 1965 -- 1969 ) , Colonel Steve Austin in the American television science fiction action series The Six Million Dollar Man ( 1973 -- 1978 ) , and Colt Seavers in American television action series The Fall Guy ( 1981 -- 1986 ) .