1990

… Book

1969

… Writer

1967

… Screenplay

1964		The Secret Invasion … Writer
1964		The Masque of the Red Death … Screenplay

1963

… Writer

1960

… Screenplay

1958		Teenage Cave Man … Screenplay
1958		Machine-Gun Kelly … Screenplay

1957		Quantez … Screenplay … Story
1957		Man of a Thousand Faces … Screenplay

1956

… Writer

1955

… Writer

1963

as Robert Machin

1955		Cell 2455 Death Row as Whit as a boy (as Robert Campbell)
1955		Five Guns West as John Morgan Candy