Yvonne Zima (born January 16, 1989 in Phillipsburg, New Jersey) is an American actress best known for her long-term portrayal of "Rachel Greene" in ER, having first appeared in the 1994 pilot episode.
In films, her breakthrough came when she appeared as Geena Davis' daughter "Caitlin" in the film The Long Kiss Goodnight.
Her older sisters Madeline and Vanessa are also actresses; they share an official website.