Robert De Niro is one of the greatest method actors in cinema history, known for extreme dedication to his craft. His collaborations with Martin Scorsese produced some of cinema's finest work, including "Taxi Driver," "Raging Bull," and "Goodfellas." He gained 60 pounds for "Raging Bull" and learned to play saxophone for "New York, New York," exemplifying his commitment. His intense, naturalistic performances influenced a generation of actors. Later career saw him excel in comedy with "Meet the Parents." His legacy as both dramatic and character actor remains unmatched.