Cosa Nostra, Arch Enemy of the FBI 1967
Writer
The Monolith Monsters 1957
Screenplay
Joe Dakota 1957
Appointment with a Shadow 1957
I've Lived Before 1956
Two-Gun Lady 1955
as Gruber, Story, Screenplay
Silver River 1948
as Scout (uncredited)
Pursued 1947
as A Callum
Credits from TMDB.