Katherine LaNasa is an American actress, former ballet dancer and choreographer. She starred in films Jayne Mansfield's Car, The Campaign, and The Frozen Ground. On television, LaNasa had a leading role in the NBC sitcom Three Sisters (2001–2002) and Truth be Told (2019-present), appeared in recurring roles on Judging Amy, Two and a Half Men, Big Love and Longmire, and starred in the short-lived dramas Love Monkey (2006), Deception (2013), Satisfaction (2014–15) and Imposters (2017–18). In 2020, LaNasa portrayed Gloria Grandbilt in the musical dramedy series Katy Keene.