Truman Capote, the author of "Breakfast at Tiffany's", thougt Hepburn was a "complete miscast" for the film adaptation of his novel. In his opinion, Marilyn Monroe would have been perfect for the role of "Holly Golightly". Later on, Audrey herself admitted that the part had not been her masterpiece: "I'm very introverted. Playing the extroverted girl was the hardest thing I've ever done."