February 2011) Film and television McKenna was born in Mullagh, County Cavan. During the 1960s and 1970s he appeared regularly in popular television dramas, including The Avengers (1964, 1965, 1968), Dangerman (1965), The Saint (1966, 1968), Adam Adamant Lives! (1967), Jason King (1972), The Sweeney (1975), Blake’s 7 (1978), Minder (1984) and