Nancy De Mayo (born April 20, Los Angeles, California) is an American actress of Colombian and Argentine descent who graduated from UCLA, where she studied acting with Joanne Linville and was in class with Mark Ruffalo. She has also performed in off-Broadway theatre, including leads in How I Learned to Drive and 7 Women at the Actors Circle Theatre. She has been active since the late 1990s, building a career in small supporting and guest roles across film and television. Her notable film credits include The Notebook (2004) (Ryan Gosling, Rachel McAdams), Alpha Dog (2006) (Emile Hirsch, Justin Timberlake), The Other Woman (2014) (Catherine Zeta-Jones, Lily Collins), Love, Simon (2018) (Nick Robinson, Jennifer Garner), and A Fall from Grace (2020) (Crystal Fox, Chris Pine). On television she has appeared in Ozark (2017–2018), Euphoria (2019), Criminal Minds (2018), New Amsterdam (2021–2022), Welcome to Chippendales (2022), Lucifer (2020), and NCIS: Origins (2024).