Unstoppable Marriage (TV series)

Unstoppable Marriage is a South Korean sitcom that aired on KBS2 from November 5, 2007, to May 30, 2008, on Mondays to Fridays at 18:50 for 140 episodes. It was adapted from the 2007 South Korean film of the same name.

Plot
Madam Shim has four sons: Ki-baek, Yi-baek, Sam-baek, and Sa-baek. The eldest son, Ki-baek falls in love with Goo Mi-ho, the daughter of Madam Shim's enemy, Goo Gook. Third son Sam-beak becomes friends with Chae Soo-jung, a hotel management student at his mother's hotel, but things become complicated when he and older brother Yi-baek both fall for her. Soo-young and Yu-ri both have a crush on fourth son Sa-baek, but he doesn't return their feelings and constantly ignores them.

Main characters

 * Kim Soo-mi as Shim Mal-nyeon (Madam Shim)
 * Im Chae-moo as Goo Gook
 * Seo Do-young as Wang Ki-baek (1st son)
 * Park Chae-kyung as Goo Mi-ho
 * Lee Jung as Wang Yi-baek (2nd son)
 * Kim Dong-wook as Wang Sam-baek (3rd son)
 * Jung Da-young as Chae Soo-jung
 * Lee Jae-jin as Wang Sa-baek (4th son)

Supporting characters

 * Choi Soo-young as Soo-young
 * Kwon Yu-ri as Yu-ri
 * Kim Hye-na as Goo Hye-joo
 * Yoo Yeon-mi as Kim Ok-hee
 * Kim Jung-wook as Cha Joon-ho
 * Han Tae-yoon as Park Sang-mi
 * Park Jin-woo as Goo Jong-jae
 * Lee Ji-sook as Lee Han-nyeo
 * Hwang Hye-young as Nurse Jung
 * Mika as Nurse Oh
 * Kim Byung-choon as Lee Young-chul
 * Lee In-chul as Manager Jong
 * Lee In-hye as Park Eun-young
 * Lee Yong-joo as Jo Chan-joo
 * Kim Isak as Aida
 * F.T. Island (Lee Hong-gi, Choi Min-hwan, Choi Jong-hoon, Oh Won-bin) as Sa-baek's friends (cameo, episode 62)
 * Girls' Generation (Taeyeon, Jessica Jung, Sunny, Tiffany Young, Kim Hyo-yeon, Im Yoon-ah, Seohyun) as Bulgwang-dong's Seven Princesses Gang (cameo, episode 64)

International broadcast
It aired on Japanese cable channel KBS Japan in June 2008.