Writing

1960

… Screenplay

1942

… Screenplay

1939

… Adaptation

1938

… Writer

1928

… Writer

1927

… Screenplay

1926		Saetta e le sette mogli del Pascià … Story … Screenplay
1926		Beatrice Cenci … Writer

1923

… Story

1921		The Call from the Past … Writer
1921		Amore rosso … Writer

1919

… Writer

Acting

1974

as Franz

1969

1968		Bury Them Deep as The Colonel
1968		Lucrezia
1968		Tequila Joe

Production

1948

… Producer

1943

… Producer

1938

… Producer

Directing

1926

… Director

1924

… Director

1923

… Director