Duncan Smith is a notable figure in the realm of independent cinema, particularly recognized for his distinctive performances in thought-provoking films. His work in "Drugs: Killers or Dillers?" (1972) stands out as a cult classic, blending social commentary with a gritty narrative that resonates with collectors of vintage cinema. This film captures the essence of a tumultuous era, making it a prized possession for those who appreciate the intersection of film history and sociopolitical themes. Another highlight of Smith's career is his role in "The Salmon Street Saga" (1970), a film that delves into the complexities of urban life and interpersonal relationships. Its unique storytelling and character-driven approach have garnered a dedicated following among collectors who seek out these rare gems on physical media. Smith's contributions to these films not only showcase his talent but also embody the spirit of an era that continues to influence modern filmmaking, making his work highly sought after in the physical media community.