Martin Charles Scorsese ( or ; born November 17, 1942) is an American director, producer, screenwriter, actor, and film historian, whose career spans more than 45 years. Scorsese's body of work addresses such themes as Sicilian-American identity, Roman Catholic concepts of guilt and redemption, machismo, modern crime, and gang conflict. Many of his films are also notable for their depiction of violence and liberal use of profanity.