| Screenplay |
Once Upon a Time in America (1984) |
49 |
| Screenplay |
My Name Is Nobody (1973) |
39 |
| Story |
A Genius, Two Friends, and an Idiot (1975) |
41 |
| Screenplay |
A Genius, Two Friends, and an Idiot (1975) |
41 |
| Screenplay |
Torso (1973) |
39 |
| Screenplay |
The Case of the Bloody Iris (1972) |
37 |
| Screenplay |
The Strange Vice of Mrs Wardh (1971) |
36 |
| Screenplay |
Your Vice Is a Locked Room and Only I Have the Key (1972) |
81 |
| Screenplay |
All the Colors of the Dark (1972) |
37 |
| Screenplay |
The Whip and the Body (1963) |
30 |
| Screenplay |
Almost Human (1974) |
41 |
| Story |
Almost Human (1974) |
41 |
| Screenplay |
2019: After the Fall of New York (1983) |
50 |
| Screenplay |
The Grand Duel (1972) |
38 |
| Story |
The Grand Duel (1972) |
38 |
| Screenplay |
Day of Anger (1967) |
33 |
| Screenplay |
Short Night of Glass Dolls (1971) |
37 |
| Screenplay |
Concorde Affair (1979) |
44 |
| Screenplay |
The Cynic, the Rat & the Fist (1977) |
42 |
| Story |
The Horrible Dr. Hichcock (1962) |
27 |
| Writer |
The Sweet Body of Deborah (1968) |
34 |
| Story |
Death Walks at Midnight (1972) |
38 |
| Screenplay |
A Reason to Live, a Reason to Die (1972) |
39 |
| Story |
A Reason to Live, a Reason to Die (1972) |
39 |
| Screenplay |
Horror Castle (1963) |
28 |
| Screenplay |
Death Walks on High Heels (1971) |
37 |
| Story |
Death Walks on High Heels (1971) |
37 |
| Screenplay |
Light the Fuse… Sartana Is Coming (1970) |
36 |
| Screenplay |
The Case of the Scorpion's Tail (1971) |
36 |
| Story |
It Can Be Done, Amigo (1972) |
40 |
| Screenplay |
The Suspicious Death of a Minor (1975) |
40 |
| Story |
The Suspicious Death of a Minor (1975) |
40 |
| Writer |
Anna: the Pleasure, the Torment (1973) |
39 |
| Screenplay |
The Forbidden Photos of a Lady Above Suspicion (1970) |
36 |
| Writer |
Werewolf in a Girls' Dormitory (1961) |
28 |
| Writer |
The Great Alligator (1979) |
45 |
| Screenplay |
Kidnap Syndicate (1975) |
40 |
| Screenplay |
The Murder Clinic (1966) |
31 |
| Story |
The Long Hair of Death (1964) |
30 |
| Screenplay |
Crypt of the Vampire (1964) |
30 |
| Producer |
Crypt of the Vampire (1964) |
30 |
| Writer |
The Scorpion with Two Tails (1982) |
48 |
| Screenplay |
Man From Nowhere (1966) |
31 |
| Story |
Man From Nowhere (1966) |
31 |
| Writer |
Libido (1965) |
30 |
| Director |
Libido (1965) |
30 |
| Screenplay |
The Battle of El Alamein (1969) |
34 |
| Story |
The Battle of El Alamein (1969) |
34 |
| Writer |
So Sweet... So Perverse (1969) |
35 |
| Writer |
Flashman (1967) |
32 |
| Writer |
$1,000 on the Black (1966) |
32 |
| Screenplay |
Prey of Vultures (1972) |
37 |
| Screenplay |
10,000 Dollars for a Massacre (1967) |
32 |
| Story |
10,000 Dollars for a Massacre (1967) |
32 |
| Novel |
I'm Getting a Yacht (1980) |
46 |
| Screenplay |
I'm Getting a Yacht (1980) |
46 |
| Screenplay |
Savage Three (1975) |
41 |
| Screenplay |
Vengeance Is Mine (1967) |
33 |
| Writer |
The Vampire and the Ballerina (1960) |
28 |
| Screenplay |
Avenger of the Seven Seas (1962) |
27 |
| Writer |
Fury in Marrakesh (1966) |
31 |
| Story |
The Violent Professionals (1973) |
40 |
| Screenplay |
The Violent Professionals (1973) |
40 |
| Story |
Arizona Colt Returns (1970) |
35 |
| Writer |
Akiko (1961) |
26 |
| Writer |
Desert Assault (1969) |
35 |
| Screenplay |
The Killer Is Still Among Us (1986) |
51 |
| Screenplay |
Casablanca Express (1989) |
55 |
| Writer |
The Mongols (1961) |
27 |
| Writer |
Ultimatum alla vita (1962) |
27 |
| Screenplay |
Cheers... Cyanide! (1968) |
33 |
| Director |
Cheers... Cyanide! (1968) |
33 |
| Writer |
Secret Agent Fireball (1965) |
30 |
| Writer |
Puzzle (1974) |
39 |
| Screenplay |
Killers Are Challenged (1966) |
31 |
| Writer |
Giants of Rome (1964) |
30 |
| Screenplay |
Stradivari (1988) |
54 |
| Writer |
Women of Devil's Island (1962) |
27 |
| Writer |
Alone Against Rome (1962) |
27 |
| Screenplay |
The Shatterer (1987) |
52 |
| Screenplay |
One More to Hell (1968) |
33 |
| Story |
One More to Hell (1968) |
33 |
| Writer |
Taste of Vengeance (1968) |
33 |
| Herself |
All the Colors of Giallo (2019) |
84 |
| Himself |
Dark Fears Behind the Door (2005) |
70 |
| Writer |
Human Cobras (1971) |
36 |
| Writer |
Hercules and the Masked Rider (1963) |
29 |
| Screenplay |
The Nosy One (1980) |
46 |
| Writer |
Gun Moll (1975) |
40 |
| Screenplay |
Delitto quasi perfetto (1966) |
31 |
| Writer |
The Magnificent Dare Devil (1973) |
39 |
| Writer |
Rocco e le sorelle (1961) |
26 |
| Writer |
The Revenge of the Gladiators (1964) |
30 |
| Writer |
The Monster of the Opera (1964) |
29 |
| Himself |
The Outsider - The Cinema of Antonio Margheriti (2013) |
78 |
| Writer |
Screams in the Night (1981) |
46 |
| Director |
Screams in the Night (1981) |
46 |
| Additional Dialogue |
La banda de los tres crisantemos (1970) |
35 |
| Story |
A... For Assassin (1966) |
31 |
| Writer |
Little Girls and High Finance (1960) |
25 |
| Screenplay |
Duel of Fire (1962) |
27 |
| Screenstory |
Duel of Fire (1962) |
27 |
| Writer |
Cifrato speciale (1966) |
31 |
| Screenplay |
Ring Around the World (1966) |
32 |
| Story |
Ring Around the World (1966) |
32 |
| Screenplay |
Your Turn to Die (1967) |
32 |
| Writer |
Diamonds for Breakfast (1968) |
34 |
| Director |
The Lonely Violent Beach (1971) |
36 |
| Writer |
The Lonely Violent Beach (1971) |
36 |
| Screenplay |
Gambling City (1975) |
40 |
| Story |
Gambling City (1975) |
40 |
| Screenplay |
Sahara Cross (1978) |
43 |
| Writer |
Jiboa (1989) |
54 |
| Writer |
Il giorno del giudizio (1994) |
59 |
| Himself |
Like a Beast... Almost (2005) |
70 |
| |
Crime Does Pay (2017) |
82 |
