Judith Therese Evans (born July 20, 1975), known professionally as Judy Greer, is an American actor, director, and author. She is primarily known as a character actor, who has appeared in supporting roles in a variety of films. She first rose to prominence in the early 2000s, appearing in the romantic comedies What Women Want (2000), 13 Going on 30 (2003), and 27 Dresses (2007). She has appeared in The Descendants (2011), Jurassic World (2015), Ant-Man (2015), Ant-Man and the Wasp (2018), Halloween (2018), and the Planet of the Apes reboot series (2014, 2017). She made her directorial debut with A Happening of Monumental Proportions (2017).
On television, she is known for playing Kitty Sanchez in Arrested Development and Fatty Magoo in It's Always Sunny in Philadelphia, and for voicing Cheryl Tunt in the animated series Archer since 2009. She also stars in the Showtime series Kidding (2018–present).