Ariel Geltman Graynor (born April 27, 1983) is an American actress. She is best known for her roles in the television series The Sopranos (2001), Fringe (2009–2010), Bad Teacher (2014), I’m Dying Up Here (2017), and Monsters: The Lyle and Erik Menendez Story (2024). In film, she has starred in Nick & Norah’s Infinite Playlist (2008), The Sitter (2011), For a Good Time, Call… (2012), and The Disaster Artist (2017).