Writer, Original work · 25 titles
Conan, o DestruidorFilm· 1984Writer
Damien: A Profecia 2Film· 1978Writer
Chamas da VingançaFilm· 1984Writer
O Buraco da AgulhaFilm· 1981Writer
O ColecionadorFilm· 1965Writer
MeteoroFilm· 1979Writer
O Rato que RugeFilm· 1959Writer
Círculo de FerroFilm· 1978Writer
A Mulher de PalhaFilm· 1964Writer
A High Wind in JamaicaFilm· 1965Writer
Tai-PanFilm· 1986Writer
Fortaleza ProibidaFilm· 1976Writer