Writer, Creator, Director, Original work · 25 titles
25 titles
Mercadores da MorteFilm· 1987Writer
Starman: O Homem das EstrelasFilm· 1984Writer
Impacto FulminanteFilm· 1983Writer
Trovão AzulFilm· 1983Writer
Golpe De Mestre 2Film· 1983Writer
O Barco: Inferno no MarFilm· 1981Writer
Sem Medo da MorteFilm· 1976Writer
The KeegansFilm· 1976Writer
O Homem que Burlou a MáfiaFilm· 1973
Lost FlightFilm· 1970Writer
LancerSeries· 1968Creator
A CaçadaFilm· 1967Writer
Bill and CooFilm· 1948Director, Writer
Tombstone: The Town Too Tough to DieFilm· 1942Original work