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.
2025Daredevil: Born Again (4 Episodes) as Artemis Sledge
2025The Pitt (15 Episodes) as Charge Nurse Dana Evans
2022Black Karen as Therapist
2020Katy Keene (13 Episodes) as Gloria Grandbilt
2019Truth Be Told (28 Episodes) as Noa Havilland
2018American Woman (1 Episode) as Lori Meltzner
2017Future Man (5 Episodes) as Athena / Dr. Hogeveen
2017Dynasty (6 Episodes) as Ada Stone
2017Imposters (11 Episodes) as Sally
2016Love Is All You Need? as Vicki Curtis
2015The Squeeze as Jessie
2014Satisfaction (20 Episodes) as Adriana
2014The Night Shift (1 Episode) as Dr. Flannery Mills
2014Buttwhistle as Mrs. Confer
2013Jayne Mansfield's Car as Donna Baron
2013The Frozen Ground as Fran Hansen
2013Devious Maids (4 Episodes) as Shannon Greene
2013Deception (11 Episodes) as Sophia Bowers
2012The Campaign as Rose Brady
2012Longmire (6 Episodes) as Lizzie Ambrose
2010The Defenders (2 Episodes) as Linda Cole
2010Justified (1 Episode) as Caryn Carnes
2010Valentine's Day as Pamela Copeland
2009Make It or Break It (1 Episode) as Leslie
2009Lie to Me (1 Episode) as Laura Cross
2008The Lucky Ones as Janet
2007Burn Notice (1 Episode) as Shannon Park
2006Justice (6 Episodes) as Suzanne Fulcrum
2006Pepper Dennis (1 Episode) as Nadia Vadinava
2006Big Love (4 Episodes) as Beverly Ford
2006Love Monkey (3 Episodes) as Karen Freed
2005Ghost Whisperer (1 Episode) as Betty
2005Grey's Anatomy (1 Episode) as Kalpana Vera
2004House (1 Episode) as Melissa
2004Alfie as Uta
2004Boston Legal (1 Episode) as Pat Ontario
2003Cold Case (1 Episode) as Leigh Feldman / Foster
2003Miss Match (4 Episodes) as Amy Jensen
2003Two and a Half Men (4 Episodes) as Lydia
2002CSI: Miami (1 Episode) as Carla Marshall
2002Greetings From Tucson (1 Episode) as Lucy
2001The Guardian (4 Episodes) as Kim McPherson
2001Three Sisters (35 Episodes) as Bess Bernstein-Flynn Keats
2001The Division (2 Episodes) as Unknown
2000Murder at the Cannes Film Festival as Kaki Lamb
2000CSI: Crime Scene Investigation (1 Episode) as Ginger
1999Judging Amy (8 Episodes) as Atty. Yvonne Dunbar
1998Hollyweird as Dominatrix
1997Kiss & Tell as Georgia Montauk
1997Pensacola: Wings of Gold (1 Episode) as Joy Daly
1997The Disappearance of Kevin Johnson as Cathy
1997A Little Romance as Blonde Woman
1997Schizopolis as Diane
1997Take a Number as Victoria
1997The Practice (1 Episode) as Sheila
1996The Big Easy (1 Episode) as Zelda Riley
1996Shattered Mind as Actress
1996The Sentinel (1 Episode) as Monique Brackley
1996The Destiny of Marty Fine as Amy
19963rd Rock from the Sun (1 Episode) as Kate
1995Twilight Man as Kathy Robbins
1995Almost Perfect (3 Episodes) as Allison
1995The Crew (1 Episode) as Ariel
1995Nothing But the Truth as Susie Marsh
1995Sliders (1 Episode) as Dr. Olivia Lujan
1995The Marshal (1 Episode) as Penny
1994Honey, I Shrunk the Audience! as Reporter
1994Mortal Fear as Carol Donner
1994Jack Reed: A Search for Justice as Tiffany
1994Touched by an Angel (1 Episode) as Fran
1994ER (1 Episode) as Janet Wilco
1994Under Suspicion (2 Episodes) as Ellie
1994Flashfire as Monica Ambrose
1993NYPD Blue (3 Episodes) as Michelle Colohan
1992The Heart of Justice as Hannah
1992Brain Donors as Dancer #1
1990Catchfire as Waitress
1989Seinfeld (1 Episode) as Cathy Tierny
2016Love Is All You Need? ... Executive Producer