Run On (TV series)

Run On is a 2020 South Korean television series starring Yim Si-wan, Shin Se-kyung, Choi Soo-young, and Kang Tae-oh. It aired on JTBC from December 16, 2020, to February 4, 2021, and is available for streaming worldwide on Netflix.

Synopsis

Run On tells the love story of Ki Seon-gyeom, a former sprinter who is working to become a sports agent, and Oh Mi-joo, a subtitle translator.

Lee Hwang-eui as Seo Myung-pil, Dan-ah's father and chairman of the Seomyung Group.
Lee Shin-ki as Seo Myung-min, Dan-ah's half-brother. He is younger than her but their father registered Dan-ah's birthday after he was born.
Choi Jae-hyun as Seo Tae-woong, Dan-ah's youngest half-brother. He is in the fictional K-pop group AtoZ. It is implied he wasn't born in Korea and had to learn Korean.

Lee Bong-ryun as Park Mae-yi, Oh Mi-joo's roommate who acts like her older sister.
Kim Dong-young as Go Ye-joon, Yeong-hwa's best friend, works at the cafe.
Seo Eun-kyung as Dong Kyung, works at Dann Agency. Ye-chan and Ye-joon's mother.
Yeon Je-wook as Jung Ji-hyun, Dan-ah's assistant at Dann Agency and Tae-woong's former tutor.
Bae Yoo-ram as Han Seok-won, Mi-joo's ex-boyfriend. He is a film director.
Seo Jeong-yeon as Coach Bang, Seon-gyeom's former track coach.
Kim Si-eun as Go Ye-chan, Ye-joon's younger sister. She likes boxing and is tutored by Yeong-hwa.
Kim Ye-won as Choi Tae-ri

Production was halted several times due to the COVID-19 pandemic.