
Biography
Katherine LaNasa (born December 1, 1966) 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.
Awards & recognition
- Primetime Emmy Award — Outstanding Supporting Actress in a Drama Series · 2025
Filmography50+ titles

Nothing But the Truth

The Big Easy

The Pitt

House

Seinfeld

Daredevil: Born Again

Grey's Anatomy

Katy Keene

Dynasty

Ghost Whisperer

Justified

The Simpsons

Lie to Me

Boston Legal

Cold Case

ER

Longmire

Make It or Break It

CSI: Miami

The Practice

CSI: Crime Scene Investigation

Sliders

The Night Shift

Burn Notice

Two and a Half Men

3rd Rock from the Sun

Imposters

The Defenders

Touched by an Angel

Future Man

Devious Maids

NYPD Blue

Truth Be Told

The Guardian

Big Love

Pensacola: Wings of Gold

The Lucky Ones

The Daily Show

The Frozen Ground

Schizopolis

The Late Show with Stephen Colbert

Brain Donors

Valentine's Day

Alfie

The Campaign

Jack Reed: A Search for Justice

Jayne Mansfield's Car

Satisfaction

Deception

Jimmy Kimmel Live!