Directing

1981

… Director

1972

… Director

1971		The Iguana with the Tongue of Fire … Director
1971		Tamar, Wife of Er … Director

1969

… Director

1967		Mexican Slayride … Director
1967		Death at Owell Rock … Director

1966

… Director

1965		The Exterminators … Director
1965		The Two Orphans … Director

1964

… Director

1963		The Magnificent Adventurer … Director
1963		The Ghost … Director
1963		Gold for the Caesars … Director

1962		The Seventh Sword … Director
1962		Alone Against Rome … Second Unit Director
1962		The Horrible Dr. Hichcock … Director
1962		The Witch's Curse … Director

1961		Manhunt … Director
1961		Samson and the 7 Miracles of the World … Director
1961		The Mongols … Director … Second Unit Director

1960

… Director

1959		Caltiki, the Immortal Monster … Director
1959		The White Warrior … Director
1959		Sign of the Gladiator … Second Unit Director

1957		Lust of the Vampire … Director
1957		Ambush in Tangier … Director

1956

… Director

1955

… Director

1954		Theodora, Slave Empress … Director
1954		Mosaici a Ravenna, I … Director

1953

… Director

1952

… Director

1951		Revenge of the Black Eagle … Director
1951		Double Cross … Director
1951		Vedi Napoli e poi muori … Director

1950		Magia a prezzi modici … Director
1950		The Son of d'Artagnan … Director

1949		The Iron Swordsman … Director
1949		O Caçula do Barulho … Director

1948		The Mysterious Rider … Director
1948		Les Misérables - Storm Over Paris … Director
1948		Les Misérables - Manhunt … Director
1948		Tenori per forza … Director
1948		L'astuto barone … Director
1948		Guarany … Director

1946

… Director

1945		Non canto più … Director
1945		Tutta la città canta … Director

1942

… Director

1939

… First Assistant Director

Writing

1994

… Original Story

1981

… Screenplay

1971

… Screenplay

1969

… Screenplay

1967

… Screenplay

1965

… Writer

1964		The Revenge of the Crusader … Screenplay … Story
1964		Romeo e Giulietta … Screenplay

1963

… Writer

1960

… Screenplay

1959

… Writer

1957

… Screenplay

1954		Theodora, Slave Empress … Screenplay … Story
1954		Mosaici a Ravenna, I … Writer

1953

… Screenplay

1951

… Screenplay

1950

… Writer

1949

… Writer

1948		The Mysterious Rider … Screenplay … Story
1948		Les Misérables - Storm Over Paris … Screenplay
1948		Les Misérables - Manhunt … Screenplay

1946

… Screenplay

1945		Non canto più … Writer
1945		Tutta la città canta … Screenplay … Story
1945		L'abito nero da sposa … Screenplay

1942

… Screenplay

1941		The Adventuress from the Floor Above … Screenplay
1941		Caravaggio, il pittore maledetto … Screenplay

1939		In campagna è caduta una stella … Screenplay
1939		The Little Adventurers … Screenplay
1939		Voce senza volto … Writer

1938

… Screenplay

1937

… Screenplay

Acting

2022

as self

2000

as Self

1998

1997

as Himself

1989

as Ricardo, le réalisateur

1957

as Il dottore (uncredited)

1941

as Pilot (uncredited)

1939

as Il maestro

Editing

1981

… Editor

1971

… Editor

1959

… Editor

1956

… Editor

1941

… Editor

1939

… Editor

Production

1964

… Producer

1954

… Producer

1942

… Producer

Art

1994		For the Love of Nancy … Set Decoration
1994		My Name Is Kate … Set Decoration