Question: On Joo-wan appeared in the 2008 film directed by whom?

Context paragraphs:
Ball Don't Lie: Ball Don't Lie is a 2008 film directed by Brin Hill.  It is an adaptation of the novel of the same name, written by Matt de la Peña.  It stars AND1 Mixtape team member Grayson Boucher, a.k.a.  The Professor.  The film premiered at the 2008 Tribeca Film Festival.

My Mighty Princess: My Mighty Princess (; lit.  "The impossible female student") is a 2008 South Korean film directed by Kwak Jae-yong.

Harald Rosenløw Eeg: Harald Rosenløw Eeg (born 18 August 1970) is a Norwegian novelist and script writer.  He made his literary début in 1995 with the youth novel "Glasskår", for which he was awarded the Tarjei Vesaas' debutantpris.  Eeg also wrote the script for a film with the same name from 2002.  He wrote the script for "Hawaii, Oslo", directed by Erik Poppe and released in 2004, and for the film "Uro" from 2006, directed by Stefan Faldbakken.  The 2008 film "Troubled Water", directed by Poppe, was based on a script by Eeg.  The film won the audience prize for best narrative feature film at the 16th Hamptons International Film Festival in 2008.

Ice People: Ice People is a documentary film directed by Anne Aghion about the research of Allan Ashworth and Adam Lewis in Antarctica.  Produced by Dry Valleys Productions, this 2008 film portrays the scientists discovering fossils from 13.9 million years ago.  The film premiered at the San Francisco International Film Festival in April 2008 and was screened at the Jerusalem Film Festival in July 2008.  This film aired on Sundance Channel in 2009.

San Saba (film): San Saba is a 2008 film directed by Mike Greene and starring Angus Macfadyen, Vivica A. Fox and Elizabeth Rohm.  It is a film noir detective thriller.  The production designer was Brian Fowler.  The film was produced in conjunction with AmberGreen Entertainment and Rigel Entertainment.  It was scheduled to be released on DVD in late 2008 but has been delayed for unspecified reasons.

Ballast (film): Ballast is a 2008 film directed by Lance Hammer.  It competed in the Dramatic category at the 2008 Sundance Film Festival, where it won the awards for Best Director and Best Cinematography.  The film received six nominations in the 2009 Film Independent Spirit Awards.

Morning Light: Morning Light is a 2008 film directed by Mark Monroe and executive produced by Roy E. Disney.  The film was released on October 17, 2008 by Walt Disney Pictures.  The film chronicles a real-life crew training and competing in the 44th Transpacific Yacht Race aboard a TP52 class sailing yacht, "Morning Light".

On Joo-wan: On Joo-wan (born Song Jeong-sik on December 11, 1983) is a South Korean actor.  He won widespread praise for his leading role in the film "The Peter Pan Formula", and also appeared in "My Mighty Princess", "Twelve Men in a Year", and "The Five".

Tokyo Sonata: Tokyo Sonata (トウキョウソナタ , Tōkyō Sonata ) is a 2008 film directed by Kiyoshi Kurosawa.  It won the award for Best Film at the 3rd Asian Film Awards and received 2008 Asia Pacific Screen Awards nominations for Achievement in Directing and Best Screenplay.  At the 2008 Cannes Film Festival it won the Jury Prize of the "Un Certain Regard" section.

Fallen Angels (2008 film): Fallen Angels (Norwegian: "Varg Veum: Falne engler" ) is a 2008 film directed by Morten Tyldum.  It was nominated for numerous Amanda Awards in 2008.  It is the fourth film in the "Varg Veum" series.

Supporting paragraphs: On Joo-wan My Mighty Princess
Answer: Kwak Jae-yong