Marisa Ryan is an American actress. She is best known for her role as Elizabeth Cooper McGillis in the television sitcom Major Dad, she also co-starred as Det. Nell Delaney in the police drama television series New York Undercover, during the show's fourth and final season.
Her other television credits include The Pretender, Sex and the City, The Practice, Promised Land, Boy Meets World, Law & Order and Law & Order: Special Victims Unit.
She has also appeared in the films Brooklyn Lobster, Riding in Cars with Boys, Wet Hot American Summer. In 1997, she made directorial debut with the independent short film Three Women of Pain which she also co-wrote.