Acting

2021

as Self (archive footage)

2017

as Himself

2004

as Stefano Bertoni

2001

as Himself

1999

as Self

1996

as Tulipano

1990

as Man in the office

1989

as Zaccarias

1987		Delirium: Photo of Gioia as Alex
1987		The Barbarians as Jacko
1987		StageFright as Irving Wallace (mask scenes only)
1987		Polar

1986		Christmas Present as Stefano
1986		Detective School Dropouts as Bruno Falcone
1986		Hands of Steel as Raul Morales

1985

as Goliath

1984

as Tom

1983		Endgame as Kurt Karnak
1983		2019: After the Fall of New York as Big Ape
1983		Manuela's Perverse Outburst as Jacob (archive footage)
1983		The New Barbarians as One
1983		Ironmaster as Vood

1982		Cannibal Love
1982		1990: The Bronx Warriors as Golem

1981		Absurd as Mikos Stenopolis
1981		Porno Holocaust as Dr. Lemoir

1980		Erotic Nights of the Living Dead as Larry O'Hara
1980		Anthropophagous as Klaus Wortmann / Antropophagus
1980		Exotic Malice as Voyakis
1980		Hard Sensation as Clyde

1978

1977		That Strange Desire to Love as Rocco
1977		Emanuelle - Why Violence Against Women? as Guru Shanti

1976		Blood and Bullets as Dan Caputo
1976		House of Pleasure for Women as Simbad (as Luigi Montefiori)
1976		Celestina as Calisto (as Luigi Montefiori)

1975		The Tiger From the River Kwai as James
1975		Emanuelle and Françoise as Carlo

1974		Trouble in Istamboel as Johnny Valenti / Merdiven
1974		Rabid Dogs as Trentadue

1973		The Three Musketeers of the West as MacAthos
1973		Baba Yaga as Arno Treves
1973		Scalawag as Don Aragon

1972		The Call of the Wild as Black Burton
1972		Ben & Charlie as Charlie Logan

1971		Vendetta at Dawn as Doctor George Benton
1971		Bastard, Go and Kill as Chaco

1970

as Hondo

1969		Boot Hill as Baby Doll
1969		Fellini Satyricon as Minotauro
1969		Bootleggers as McGowan - L'Irlandese

1968		OSS 117 Murder for Sale as Karas
1968		Hate Thy Neighbor as Gary Stevens
1968		The Belle Starr Story as Blackie
1968		Django, Prepare a Coffin as Lucas

1967		The Last Killer as Ramón / Chico
1967		Poker with Pistols as Lucas
1967		Django Kills Softly as Django
1967		The Cobra as Crane

1966		My Name Is Pecos
1966		Django Shoots First as Jeff Kluster (uncredited)

Writing

2008

… Writer

1998

… Story

1992

… Writer

1991

… Writer

1990

… Writer

1987

… Screenplay

1983

… Writer

1982

… Writer

1981		Absurd … Writer
1981		Porno Holocaust … Writer

1980		Erotic Nights of the Living Dead … Story … Screenplay
1980		Anthropophagous … Story … Screenplay
1980		Exotic Malice … Writer
1980		Terror Express … Writer
1980		Hard Sensation … Writer

1979

… Story

1978		American Fever … Writer
1978		Jailbirds … Writer
1978		Candido erotico … Writer

1977		That Strange Desire to Love … Writer
1977		Sawed-Off Shotgun … Screenplay

1976		Vow of Chastity … Screenplay … Story
1976		Keoma … Story … Screenplay
1976		Dog Lay Afternoon … Writer
1976		Love Sacrifice … Story

1975

… Writer

1972

… Screenplay

1970

… Writer

Directing

1990

… Director

1983

… Director

1976

… Director

Production

1980

… Producer