Stapleton, noted for his scriptwriting and producing for Crawford Productions, contributed to such iconic television series as Embassy (1990), The Flying Doctors (1986), Carson's Law (1983), Skyways (1979), Cop Shop (1977), Bobby Dazzler (1977), The Last of the Australians (1975), Matlock Police (1971), Hunter (1967), Homicide (1964) and Consider Your Verdict (1961). He began his writing career with short stories and as the Adelaide correspondent for The Bulletin. Stapleton was active in the early 1960's in Adelaide Theatre, gaining acclaim with award winning roles in The Night of the Iguana (1964), and Streetcar Named Desire in 1965. His later plays, A Few Good Friends (1986) and Say Goodbye (1987) were performed but not published. He has also designed costumes for television and was working with composer David Reeves on an Australian musical, Favourite Son when he died.