Christopher Jacob Abbott (born February 1986) is an American actor. He made his feature film debut in Martha Marcy May Marlene (2011). His other notable films include Hello I Must Be Going (2012), The Sleepwalker (2014) and A Most Violent Year (2014). In 2015, he starred as the title character in the critically acclaimed film James White.
Abbott is mostly known for his role as Charlie Dattolo in the HBO comedy-drama series Girls. He has also had an extensive career on stage, having performed in both Broadway and Off-Broadway productions.