Her other television credits include guest roles on CSI: Crime Scene Investigation, Grey's Anatomy, ER, House M.D., Justice, and Two and a Half Men.

[6] LaNasa had series regular roles in short-lived CBS comedy-drama Love Monkey (2006), playing Karen Freed, and on HBO comedy 12 Miles of Bad Road, as Juliet Shakespeare.

In 2011, after a decade of making various television appearances, she had roles opposite Will Ferrell and Zach Galifianakis in the 2012 political comedy The Campaign, and 2013 thriller The Frozen Ground.

In 2012, LaNasa was cast as socialite Sophia Bowers in another NBC series Deception, which premiered as a mid-season replacement during the 2012–13 television season.

In November 2013, LaNasa was cast as Adrianna, a madam who has a male escort service, in the USA Network drama Satisfaction opposite Matt Passmore.

In October 2014, she was cast alongside Ana Ortiz, Jeremy Sisto and Tyler Blackburn in the gay-drama Love is All You Need?, based on the 2011 short film with the same name.

In 2018, LaNasa joined the cast of the CW prime time soap opera Dynasty playing villainous criminal mastermind Ada Stone during the second season.