Directing

1997

… Director

1991

… Director

1989		Alien from the Deep … Director
1989		Indio … Director

1988

… Director

1985		Commando Leopard … Director
1985		Jungle Raiders … Director

1984		Code Name: Wild Geese … Director
1984		The Ark of the Sun God … Director

1983		Yor, the Hunter from the Future … Director
1983		The Last Blood … Director

1982		Tiger Joe … Director
1982		The Hunters of the Golden Cobra … Director

1981

… Director

1980		The Last Hunter … Director
1980		Invasion of the Flesh Hunters … Director

1979

… Director

1978

… Director

1976

… Director

1975

… Director

1974		Blood for Dracula … Assistant Director
1974		Whisky and Ghosts … Director
1974		Manone il ladrone … Director
1974		The Stranger and the Gunfighter … Director

1973		Flesh for Frankenstein … Second Unit Director
1973		Mr. Hercules Against Karate … Director
1973		Seven Deaths in the Cat's Eyes … Director

1972		Novelle galeotte d'amore … Director
1972		1001 Nights of Pleasure … Director

1971

… Director

1970		Mr. Superinvisible … Director
1970		And God Said to Cain … Director

1969

… Director

1968		I Love You … Director
1968		Vengeance … Director
1968		The Young, the Evil and the Savage … Director

1967		Dynamite Joe … Director
1967		Snow Devils … Director

1966		War Between the Planets … Director
1966		War of the Planets … Director
1966		The Wild, Wild Planet … Director
1966		Lightning Bolt … Director
1966		Killers Are Challenged … Director

1964		The Long Hair of Death … Director
1964		Giants of Rome … Director
1964		Hercules, Prisoner of Evil … Director
1964		The Slave Merchants … Director
1964		Castle of Blood … Director
1964		Mondo Inferno … Director

1963		Horror Castle … Director
1963		The Fall of Rome … Director

1962		War Gods of Babylon … Second Unit Director
1962		The Golden Arrow … Director

1961

… Director

1960

… Director

1958		Legs of Gold … Co-Director
1958		A Sailor's Promises … Co-Director

Writing

1983

… Screenplay

1980

… Screenplay

1975

… Screenplay

1974		Whisky and Ghosts … Writer
1974		Manone il ladrone … Screenplay
1974		The Stranger and the Gunfighter … Screenplay

1973		Mr. Hercules Against Karate … Adaptation
1973		Seven Deaths in the Cat's Eyes … Screenplay … Story

1972		Novelle galeotte d'amore … Screenplay
1972		1001 Nights of Pleasure … Screenplay

1971

… Screenplay

1970

… Screenplay

1969

… Writer

1968		I Love You … Story … Screenplay
1968		Vengeance … Screenplay
1968		The Young, the Evil and the Savage … Screenplay

1964

… Screenplay

1963		Horror Castle … Screenplay
1963		The Fall of Rome … Screenplay … Story

1958		Legs of Gold … Story … Screenplay
1958		A Sailor's Promises … Screenplay … Story

Crew

1990

… Special Effects

1983

… Special Effects

1981

… Special Effects

1973

… Makeup Effects

1971

… Special Effects

1967

… Special Effects

1966

… Special Effects

Acting

2013

as Self (archive footage)

2003

as Self

2002

as Inspector (uncredited)

2000

as Self

1999

1981

as Racing Official (uncredited)

Production

1967

… Associate Producer

1966		War Between the Planets … Producer
1966		War of the Planets … Producer
1966		The Wild, Wild Planet … Producer

Costume & Makeup

1974

… Makeup Effects Designer

1973

… Special Effects Makeup Artist

Visual Effects

1979

… Special Effects Supervisor