Vanessa Ferlito (born December 28, 1977) is an American actress. She is known for playing Detective Aiden Burn in the first two seasons of the CBS crime drama ''CSI: NY'', as well as for her recurring portrayal of Claudia Hernandez in FOX drama ''24'', and for her starring roles as FBI Agent Charlie DeMarco in the USA Network series ''Graceland'' and as Tammy Gregorio on the CBS crime drama series ''NCIS: New Orleans''.