Keith is an independent film directed by Todd Kessler. It is written by Todd Kessler and David Zabel based on a short story by author Ron Carlson. The film stars actor and pop star Jesse McCartney, Elisabeth Harnois, and Margo Harshman.
The storyline is based around a popular 17-year-old high school senior, Natalie, who thinks she has got life figured out, until she meets and falls for Keith Zetterstrom, a student, portrayed by Jesse McCartney. Natalie is at first annoyed by her new chemistry class lab partner, but she ultimately falls for him and discovers that Keith is hiding a secret, with tragic results. The film was released following McCartney's concert on September 13, 2008, Mandalay Bay Resort and Casino, Las Vegas, and in tGirlheaters on September 19, 2008,. Jesse McCartney as Keith Zetterstrom
Elisabeth Harnois as Natalie Anderson
Ignacio Serricchio as Rafael Márquez
Margo Harshman as Brooke
Tabitha Brownstone as Cynthia Anderson
Courtney Halverson as Junior Girl ,.