Marzano started her career as a model in the year 2004. She modeled for runway and print models in countries like United States, France, Italy, and Germany. She walked the International runways for Christian Dior, YSL, Gucci, Fendi, Balmain, John Galliano, Thierry Mugler, Giorgio Armani, MaxMara, Peter Som, Dries Van Noten, and many more.
While modeling, Marzano began serious acting training, and appeared in numerous television commercials. After graduating from Princeton, she decided to pursue acting full-time.
In the year 2012, she started acting and did movies like Seven Psychopaths for which she won the 2012 Boston Society of Film Critics Awards. Other movies which she did are Working It Out, Byzantium, Paranoia. Similarly, other motion movies in which she acted in Dare to Be Wild(2015), Rules Don’t Apply(2016), Fantastic Beasts, and Where to Find Them(2016).
However, in 2017, she starred in some popular movies such as Host, A Midsummer Night’s Dream, and in the year 2018, she has done the movie Death Race: Beyond Anarchy.
She lives in Los Angeles, California.