3. Establishing Himself in the 1960s and Early 1970s

Throughout the late 1960s, Duvall built a reputation for playing complex, morally ambiguous characters. His role in The Godfather (1972) as consigliere Tom Hagen brought him international recognition. Acting opposite Marlon Brando and Al Pacino, Duvall delivered a calm, calculating performance that earned him his first Academy Award nomination.