Jennifer Esposito is an American actress, dancer and model.

For Disney, she played Ms. Janus in the 1998 Touchstone Pictures film He Got Game, Ruby in the 1999 Touchstone Pictures film Summer of Sam, Andrea Belladonna in the ABC TV show Samantha Who?, and Calista Raines in the ABC TV show Mistress.As of 2016, she is playing Special Agent Alex Quinn on the CBS drama NCIS. From 2005-06, she played Ginnie Sorelli on the WB show Related.