The film won other awards , including an NBR Award for Best Supporting Actor ( Charles Durning ) and a Writers Guild Award for Best Drama Written Directly for the Screen ( Frank Pierson ) as well as the British Academy Award for Best Actor ( Al Pacino ) .
The movie won other awards , including an NBR Award for Best Supporting Actor ( Charles Durning ) and a Writers Guild Award for Best Drama Written Directly for the Screen ( Frank Pierson ) as well as the British Academy Award for Best Actor ( Al Pacino ) .