 He worked with several other European directors, including highly regarded films of the era, such as "The Leopard" (Luchino Visconti, 1963), "Pigsty" (Pier Paolo Pasolini, 1969) and "The Conformist" (Bernardo Bertolucci, 1970, and Bertolucci's "Partner", 1968).Other directors he worked with include Liliana Cavani, Glauber Rocha, Miklós Jancsó, Jacques Rivette, and Philippe Garrel.In 1972, Clémenti's career was derailed after he was sentenced to prison for allegedly possessing or using drugs.