Nina Webster is a fictional character from the American CBS soap opera The Young and the Restless, portrayed by Tricia Cast. She was introduced during the episode airing on June 26, 1986 as a pregnant teenager whom Christine Blair (Lauralee Bell) befriends. Cast remained a regular cast member for fifteen years before asking for a contract release and departing onscreen in February 2001. In 2008, the actress returned for several guest spots, and the following year, she returned for a bigger storyline, and has continued to make occasional appearances.