Leslie Stefanson made her acting debut in the 1994 American action comedy film ‘The Cowboy Way’ directed by Gregg Champion. The film was panned by critics and sits on a 20% approval score on Rotten Tomatoes. In 1996, she starred as ‘Sara Myers’ in the American romantic comedy-drama film ‘The Mirror Has Two Faces’ directed by Barbra Streisand. The film received mixed reviews from critics and grossed over $41 million at the box office. The following year, she portrayed ‘Sylvia’ in the American science-fiction comedy film ‘Flubber’ directed by Les Mayfield. Even though the film was largely panned by critics, it managed to gross over $178 million on a budget of $80 million. That same year, she was also seen in the James L. Brooks-directed American romantic comedy-drama film ‘As Good as It Gets.’ The film received positive reviews from critics and was a major commercial success, grossing over $314.1 million on a budget of $50 million. She continued to appear in films such as ‘An Alan Smithee Film: Burn Hollywood Burn’ (1998), ‘Break Up’ (1998), ‘The General's Daughter’ (1999), and ‘Beautiful’ (2000). She portrayed ‘Kelly’ in the 2000 American superhero thriller film ‘Unbreakable’ directed by M. Night Shyamalan. The film received mostly positive reviews from critics and grossed over $248.1 million at the box office. She next starred in films and television series like ‘The Stickup’ (2001), ‘Jackie, Ethel, Joan: The Women of Camelot’ (2001), ‘Desert Saints’ (2002), ‘MDs’ (2002), and ‘The Hunted’ (2003). She was last seen in the 2003 American-Bulgarian science-fiction-thriller film ‘Alien Hunter’ directed by Ronald Krauss.