
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.

Grey's Anatomy
TV • 2005

The Simpsons
TV • 1989

The Daily Show
TV • 1996

CSI: Crime Scene Investigation
TV • 2000

House
TV • 2004

The Late Show with Stephen Colbert
TV • 2015

CSI: Miami
TV • 2002

Boston Legal
TV • 2004

Seinfeld
TV • 1989

Sliders
TV • 1995

Two and a Half Men
TV • 2003

ER
TV • 1994

The Pitt
TV • 2025

Jimmy Kimmel Live!
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The Practice
TV • 1997

Ghost Whisperer
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Cold Case
TV • 2003

Daredevil: Born Again
TV • 2025