Larisa Romanovna Oleynik (; born June 7, 1981) is an American actress. Oleynik began her career as a child actor, first appearing onstage as young Cosette in a national touring production of Les Misérables (1989–1991). She was subsequently cast in the title role on the Nickelodeon sci-fi series The Secret World of Alex Mack from 1994 to 1998....