Bureau Chief ADA of the homicide bureau, on the short-lived NBC courtroom drama Conviction, which debuted in spring 2006. The show, which saw March in a leading role and was part of the Law & Order universe, was cancelled after one 13-episode season following a negative reception from critics and audiences. Despite this, March's acting was praised. Review site Entertain your Brain wrote that "... March, she has already proven herself on Special Victims Unit." On Special Victims Unit, the character of Cabot was a regular character from 2000 to 2003, and departed in the Season 5 episode "Loss", when Cabot is shot and placed in witness protection. She originally returned to the series in Season 6 episode 16, “Ghost”, when she was taken out of the witness protection program to testify, as a witness, for her attempted murder. She was placed back in witness protection after the trial. She returned to the series for a six-episode arc in Season 10 and then continued as a main character in Season 11. After her departure near the end of Season 11, she returned again in Season 13 as a recurring character. She reprised her role once again in an episode on the show's nineteenth season. Film roles and The Social Ones In 2003, March made her film debut with a supporting role in the political comedy Head of State opposite Chris Rock. She later appeared in the films Mr. & Mrs. Smith, The Treatment, and Falling for Grace, the latter two romantic comedies. March also appeared in the 2009 film The Invention of Lying as the woman Ricky Gervais's character tells the world will end unless she has sex with him. She later co-starred in the independent films Why Stop Now? and Innocence. In 2007, March performed in the Broadway premiere of Eric Bogosian's Talk Radio, starring Liev Schreiber. She also starred in Howard Korder's off-Broadway play Boy's Life alongside Jason Biggs. March has guest-starred on 30 Rock, Grey's Anatomy, Rescue Me, and Happy Endings. She was cast as a regular character on the short-lived CBS legal comedy-drama Made in Jersey in 2012, but she left the series after the pilot episode. March co-founded the cosmetics company SheSpoke (formerly Rouge) with her business partner Rebecca Perkins in 2013. The company creates custom-made beauty products available online and in-store in SoHo, New York. She starred in the 2015 Adult Swim series Neon