Parker starred in a low budget Western for Fox, Naked Gun (1956), and Lure of the Swamp (1957). He guest starred in Lee Marvin's NBC crime drama, M Squad (1958) then starred in some low budget Westerns, Lone Texan (1959), Young Jesse James (1960) and Walk Tall (1960). He did "Dr Kate" for Westinghouse Desilu Playhouse (1960). Walk Tall was directed by Maury Dexter who used Parker in The High Powered Rifle (1961) andAir Patrol (1962).