The actress known for her role as Holly Golightly in "Breakfast at Tiffany's" is Audrey Hepburn. Her portrayal of the iconic character in this 1961 film solidified her status as a cultural icon. Hepburn's performance combined elegance, charm, and a sense of free-spiritedness, contributing to the movie’s enduring popularity. Her character's memorable style, particularly the famous black dress, and her unique personality resonated with audiences, making the film a classic. Hepburn’s impact on cinema and fashion remains significant to this day, further enhancing her legacy in the entertainment industry.