roberts was a special guest star in many tv shows like "tombstone territory" (1958), "zane grey theater" (1958), "the detectives" starring robert taylor (1960), jim west, "gunsmoke" (1967), "mission impossible" (1967-1973), "banacek" (1972), "mannix" (1973), "police story" (1974-1975), "the six million dollar man" (1976), "baretta" (1977), "vega$" (1980) and "diagnosis murder" (1994-1997).