Boys Over Flowers is a 2009 South Korean television series starring Ku Hye-sun, Lee Min-ho, Kim Hyun-joong of SS501, Kim Bum, Kim Joon of T-Max and Kim So-eun. It aired on Korean Broadcasting System (KBS2) from January 5 to March 31, 2009 on Mondays and Tuesdays at 21:50 for 25 episodes.
It is based on Japanese shōjo manga series, Boys Over Flowers (花より男子 Hana Yori Dango), written by Yoko Kamio. The series is the fifth television adaptation of the manga following the Taiwanese Meteor Garden and its sequel Meteor Garden II and the Japanese Hana Yori Dango and its sequel Hana Yori Dango Returns. It spins the modern-day Cinderella tale of a poor, but spunky schoolgirl at an exclusive academy who attracts the interest of the four ultra-rich and ultra-handsome princes of the school known as F4
* Ku Hye-sun as Geum Jan-di
Geum Jan-di is the headstrong daughter of a dry cleaner. While on a delivery run to Shinhwa High School, she saves a bullied student from committing suicide. She is offered a scholarship to attend the prestigious school, and ends up getting on the bad side of Goo Jun-pyo. She eventually falls for Goo Jun-pyo because of the way he fights for his love for her.
* Lee Min-ho as Goo Jun-pyo
Goo Jun-pyo is the leader of F4 and heir to Shinhwa Group. As leader of the most popular and powerful clique in Shinhwa High, he torments Geum Jan-di after she stands up to his bullying ways, but ends up falling for her instead.
Jang Geun-suk mentioned in an interview that he was originally offered the role Goo Jun-pyo, but he chose instead to take on Beethoven Virus.
* Kim Hyun-joong as Yoon Ji-hoo
Yoon Ji-hoo is a member of F4 and the grandson of a former president of Korea. His musical talent catches Geum Jan-di's attention and she begins to develop feelings for him. He has adriving phobia after being involved in a car accident that killed his parents and left him the only survivor. He is initially in love with Min Seo-hyun, but eventually falls for Geum Jan-di and acts as her protector.
* Kim Sang Bum as So Yi-jung
So Yi-jung is F4's Casanova. He is a skilled potter and his family owns the country's biggest art museum. He eventually changes his playboy ways when he realizes that he is in love with Chu Ga-eul.
* Kim Joon as Song Woo-bin
Song Woo-bin is known as F4's Don Juan. His family runs a large construction company and has important connections to an underground organization, hinted to be the mafia.
* Kim So-eun as Chu Ga-eul
Geum Jan-di's best friend who works with her at the porridge shop. She falls for So Yi-jung after he helps her get over her cheating ex-boyfriend. He eventually reciprocates those feelings.