Ferragosto in Bikini

(1960)

Writer

Scandali al mare

(1961)

Story and Screenplay

Bellezze sulla spiaggia

(1961)

Story and Screenplay

Walter e i Suoi Cugini

(1961)

Story and Screenplay

Le magnifiche 7

(1961)

Story and Screenplay

L'assassino si chiama Pompeo

(1962)

Writer

Twist lolite e vitelloni

(1962)

Screenplay

Gli italiani e le donne

(1962)

Writer

Il medico delle donne

(1962)

Screenplay

Revenge of the Musketeers

(1963)

Story and Screenplay

La donna degli altri è sempre più bella

(1963)

Screenplay

Siamo tutti pomicioni

(1963)

Writer

Le motorizzate

(1963)

Writer

Le tardone

(1964)

Writer

Badmen of the West

(1964)

Screenplay

Rita the American Girl

(1965)

Screenplay

Veneri in collegio

(1965)

Screenplay

Two Vikings

(1965)

Writer

Spiaggia libera

(1966)

Writer

For One Thousand Dollars Per Day

(1966)

Writer

A Few Dollars for Django

(1966)

Story and Screenplay

Django Shoots First

(1966)

Screenplay

Rick and John, Conquerors of the West

(1967)

Screenplay and Story

Return of Django

(1967)

Screenplay and Story

Payment in Blood

(1967)

Screenplay

Die Easy in Ghentar

(1967)

Writer

People of Honor

(1967)

Screenplay

Any Gun Can Play

(1967)

Screenplay

Dead for a Dollar

(1968)

Screenplay and Story

Man Who Cried for Revenge

(1968)

Screenplay

The Moment to Kill

(1968)

Screenplay

Johnny Hamlet

(1968)

Screenplay

Between God, The Devil and a Winchester

(1968)

Screenplay

Shotgun

(1968)

Writer

Kill Them All and Come Back Alone

(1968)

Screenplay and Story

I Am Sartana Your Angel of Death

(1969)

Story and Screenplay

Eagles Over London

(1969)

Story and Screenplay

Light the Fuse… Sartana Is Coming

(1970)

Screenplay

The Dove Must Not Fly

(1970)

Writer

Le Mans, Shortcut to Hell

(1970)

Story and Screenplay

Sartana's Here... Trade Your Pistol for a Coffin

(1970)

Screenplay and Story

Reverend's Colt

(1970)

Writer

They Call Me Hallelujah

(1971)

Screenplay and Story

Cold Eyes of Fear

(1971)

Screenplay

The Devil with Seven Faces

(1971)

Writer

Naked Cities

(1971)

Writer

I due della F. 1 alla corsa più pazza, pazza del mondo

(1971)

Story and Screenplay

Marta

(1971)

Screenplay

I due pezzi da 90

(1971)

Story and Screenplay

The Return of Halleluja

(1972)

Screenplay

His Name Was Holy Ghost

(1972)

Story and Screenplay

Seven Murders for Scotland Yard

(1972)

Screenplay

Ubalda, All Naked and Warm

(1972)

Writer

Father Jackleg

(1972)

Screenplay and Story

Once Upon a Time in the West There Was a Man Called Invincible

(1973)

Screenplay and Story

The Three Musketeers of the West

(1973)

Writer

Giovannona Long-Thigh

(1973)

Story

Holy God, Here Comes the Passatore!

(1973)

Screenplay and Story

High Crime

(1973)

Story and Screenplay

Poker in Bed

(1974)

Writer

To Love Ophelia

(1974)

Story

The Crazy Bunch

(1974)

Story and Screenplay

The School Teacher

(1975)

Writer

Carioca Tigre

(1976)

Writer

The Loves and Times of Scaramouche

(1976)

Screenplay and Story

Ladies' Doctor

(1977)

Screenplay

Tentacles

(1977)

Writer

Last Cannibal World

(1977)

Screenplay

Last Feelings

(1978)

Screenplay

Pleasure Shop on the Avenue

(1979)

Writer

The Shark Hunter

(1979)

Screenplay

Day of the Cobra

(1980)

Screenplay

The Hunters of the Golden Cobra

(1982)

Screenplay

Young, Beautiful... Probably Rich

(1982)

Writer

Tiger Joe

(1982)

Screenplay

Thor the Conqueror

(1983)

Story and Screenplay

Escape from the Bronx

(1983)

Screenplay and Story

Raiders of Atlantis

(1983)

Screenplay

The New Barbarians

(1983)

Writer

The Last Blood

(1983)

Writer

Rush

(1983)

Writer

Tuareg: Desert Warrior

(1984)

Writer

Code Name: Wild Geese

(1984)

Writer

Light Blast

(1985)

Writer

Days of Hell

(1986)

Writer

Striker

(1987)

Writer

Last Platoon

(1988)

Writer

The Commander

(1988)

Writer

The Night of the Sharks

(1988)

Writer

Leathernecks

(1989)

Writer

Sinbad of the Seven Seas

(1989)

Screenplay

Alien from the Deep

(1989)

Writer

Last Flight To Hell

(1990)

Screenplay

Buck at the Edge of Heaven

(1991)

Screenplay