
The Holcroft Covenant 1985
Screenplay
Green Ice 1981
Screenplay
Escape to Athena 1979
Screenplay
Contract on Cherry Street 1977
Writer
Nowhere to Hide 1977
as Alberto Amarici, Screenplay, Producer
The Man in the Glass Booth 1975
Screenplay
Luther 1974
Screenplay
Jeremiah Johnson 1972
Screenplay
The Salzburg Connection 1972
Screenplay
The Madwoman of Chaillot 1969
Screenplay
The Boston Strangler 1968
Screenplay
In Enemy Country 1968
Screenplay
Hour of the Gun 1967
Writer
Boeing, Boeing 1965
Screenplay
The Satan Bug 1965
Screenplay
Becket 1964
Screenplay
Wives and Lovers 1963
Writer
A Girl Named Tamiko 1962
Writer
Girls! Girls! Girls! 1962
Screenplay
The Young Savages 1961
Screenplay
The Sins of Rachel Cade 1961
Writer
The Restless Years 1958
Screenplay
In Love and War 1958
Writer
The Young Lions 1958
Writer
The Pride and the Passion 1957
Screenplay
Not as a Stranger 1955
Screenplay
Three Lives 1953
Writer
The Member of the Wedding 1952
Screenplay, Associate Producer
The Sniper 1952
Story
Panic in the Streets 1950
Story
Credits from TMDB.