When My Love Blooms

When My Love Blooms is a 2020 South Korean television series starring Yoo Ji-tae, Lee Bo-young, Park Jinyoung, and Jeon So-nee. It aired on tvN every Saturday and Sunday at 21:00 (KST) from April 25 to June 14, 2020.

Synopsis
Han Jae-hyun (Yoo Ji-tae) and Yoon Ji-soo (Lee Bo-young) met and fell in love when they were university students. Twenty years later, they cross paths once again: Jae-hyun has become a successful businessman who pursues wealth and honor, while Ji-soo is a mother and a contract worker living a difficult life.

Main

 * Yoo Ji-tae as Han Jae-hyun
 * Park Jin-young as young Jae-hyun
 * The Vice-President of Hyung Sung Corporation. He is seen as a labor union turncoat when in actuality, he joined Hyung Song Corporation to take revenge on those who betrayed and framed his father for illegal dissolution of labor unions that eventually led to his suicide.


 * Lee Bo-young as Yoon Ji-soo
 * Jeon So-nee as young Ji-soo

People around Ji-soo

 * Jang Gwang as Yoon Hyung-gyu
 * He is Ji-soo's father and a former Chief Prosecutor of the Seoul Central District Prosecutor's Office. He was fired from his job after admitting to abusing his power and taking bribes.


 * Lee Jong-nam as Jung Sook-hee
 * Ji-soo's mother. She died after the department store she was in collapsed. She was in the department store with Ji-young to buy a gift and cake for Ji-soo's birthday.


 * Chae Won-bin as Yoon Ji-young
 * Ji-soo's sister. She died with her mother.


 * Go Woo-rim as Lee Young-min
 * Ji-soo's son. He attends an international school on a scholarship but left on his own accord. He finds custody under his mother more comfortable than his father's.

People around Jae-hyun

 * Moon Sung-keun as Jang San, Jae-hyun's father in law
 * Park Si-yeon as Jang Seo-kyung, Jae-hyun's estranged wife
 * Park Min-soo as Han Joon-seo, Jae-hyun's son who bullies Ji'soo's son
 * Kang Young-seok as Kang Joon-woo
 * Kim Ho-chang as Jung Yoon-gi
 * Nam Myung-ryul as Han In-ho, Jae-hyun's father
 * Son Sook as Lee Kyung-ja, Jae-hyun's mother

Others

 * Woo Jung-won as Yang Hye-jung
 * Park Han-sol as young Hye-jung
 * Lee Tae-sung as Joo Young-woo
 * Byung Hun as young Young-woo
 * Min Sung-wook as Lee Dong-jin
 * Eun Hae-sung as young Dong-jin
 * Kim Joo-ryoung as Sung Hwa-jin
 * Han Ji-won as young Hwa-jin
 * Kim Young-hoon as Lee Se-hoon, Ji-soo's ex-husband
 * Choi Woo-hyuk as Se-hwi, Seo-kyung's lover
 * Kim Young-ah as Choi Sun-hee