Directed by:
Ha YuScreenplay:
Ha YuCinematography:
Hyeon-gi ChoeComposer:
Joon-seok KimCast:
Sang-woo Kwon, Jeong-jin Lee, Ga-in Han, Ho-jin Chun, Jong-hyuk Lee, Jin-woong Cho, Boo-seon Kim, Nae-sang An, Dong-yeong Kim, Bong-ki Baek, Jae-han Choi (more)Cast
![Sang-woo Kwon](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/158/225/158225535_4c8928.jpg)
Sang-woo Kwon
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Wild King (2013) (series)
Almost Love (2006)
![Jeong-jin Lee](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/273/273594_271859.jpg)
Jeong-jin Lee
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Runaway: Plan B (2010) (series)
The King: Eternal Monarch (2020) (series)
![Ga-in Han](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/273/273620_7d0bdb.jpg)
Ga-in Han
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
The Moon That Embraces the Sun (2012) (series)
Architecture 101 (2012)
![Ho-jin Chun](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/402/402353_a9bad7.jpg)
Ho-jin Chun
South Korea
Best movies:
Dawn (2010) (series)
The Snow Queen (2006) (series)
City Hunter (2011) (series)
![Jong-hyuk Lee](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/000/279/279159_3ac65e.jpg)
Jong-hyuk Lee
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
A Dirty Carnival (2006)
The Master's Sun (2013) (series)
![Jin-woong Cho](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/011/160011873_2ffb59.jpg)
Jin-woong Cho
South Korea
Best movies:
Signal (2016) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
A Dirty Carnival (2006)
![Boo-seon Kim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/194/160194047_c662c1.jpg)
Boo-seon Kim
South Korea
Best movies:
![Nae-sang An](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/158/500/158500475_2a0b72.jpg)
Nae-sang An
South Korea
Best movies:
Marathon (2005)
Designated Survivor: 60 Days (2019) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
![Dong-yeong Kim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/237/160237521_ff7a2d.jpg)
Dong-yeong Kim
South Korea
Best movies:
Tunnel (2017) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Springtime (2004)
![Bong-ki Baek](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/518/160518456_9c7fec.jpg)
Bong-ki Baek
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Memories of Murder (2003)
Pasta (2010) (series)
![Jae-han Choi](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/011/160011860_0aa09b.jpg)
Jae-han Choi
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
A Dirty Carnival (2006)
Warrior Baek Dong Soo (2011) (series)
![Byung-choon Kim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/188/160188188_f155f8.jpg)
Byung-choon Kim
South Korea
Best movies:
City Hunter (2011) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
A Dirty Carnival (2006)
![Tae-won Gwon](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/159/445/159445150_75e7da.jpg)
Tae-won Gwon
South Korea
Best movies:
Hope (2013)
Brotherhood (2004)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
![Soo-young Park](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/769/160769122_ffcd91.jpg)
Soo-young Park
South Korea
Best movies:
The Attorney (2013)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
The Last Princess (2016)
Sung-ae Jun
South Korea
Best movies:
King of Baking, Kim Tak Goo (2010) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Address Unknown (2001)
![Hyo-jun Park](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/160/272/160272557_2666b4.jpg)
Hyo-jun Park
South Korea
Best movies:
Time Between Dog and Wolf (2007) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
A Dirty Carnival (2006)
Su-nam Kim
South Korea
Best movies:
Wedding Dress (2010)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
A Bittersweet Life (2005)
![Jae-yeong Han](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/162/119/162119189_20e3f4.jpg)
Jae-yeong Han
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Like for Likes (2016)
Some (2004)
![In-kwon Kim](http://image.pmgstatic.com/cache/resized/w88h116crop/files/images/creator/photos/158/477/158477141_d8d462.jpg)
In-kwon Kim
South Korea
Best movies:
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Dan, Only Love (2019) (series)
My Father (2007)
Kyu-ho Lee
South Korea
Best movies:
Healer (2014) (series)
Once Upon a Time in High School: The Spirit of Jeet Kune Do (2004)
Romantic Doctor Kim Sa-bu (2016) (series)