Katie Gill is an American actress. She had her career beginnings in the mid-2000s, appearing in an episode of such shows as CSI: Crime Scene Investigation, CSI: NY, and Bones. Later in 2006, she made her first film role in Fleetwood. She then played a brief role in Drillbit Taylor. In the 2010s, she had roles in the movie Ay Lav Yu, as well as in the TV film Betrayed at 17. Afterward, she had one-time parts in How I Met Your Mother, The League, and Body of Proof. Her first notable role on TV was as Stacy in Secret Diary of an American Cheerleader. She also played Gladys Gergich in Parks and Recreation. In 2013, she starred in the TV show My Synthesized Life.