who plays the director on ncis los angeles
List of NCIS: Los Angeles characters Leon Vance (portrayed by Rocky Carroll) is the Director of NCIS and also the person responsible for setting up the Office of Special Projects. He lives in Washington, D.C., and is a regular character on NCIS while also making regular guest appearances on NCIS: Los Angeles usually through video-conferences as well as making a few personal appearances at the OSP.
Diane Neal Diane Neal (born November 17, 1976[1]) is an American actress best known for her role as Casey Novak on Law & Order: Special Victims Unit, which she played from 2003 to 2008, then reprised her role from 2011 to 2012. She has portrayed Coast Guard Investigative Service Special Agent Abigail Borin in the NCIS franchise since 2009, appearing as an annual special guest star in NCIS since its seventh season, and as a recurring guest star in NCIS: New Orleans.