Moon River (Korean: 이강에는 달이 흐른다) is a 2025 South Korean television series starring Kang Tae-oh, and Kim Se-jeong. It aired on MBC TV from November 7, to December 20, 2025, every Friday and Saturday at 21:40 (KST).
The series is also available for streaming on Viu in Singapore, Hong Kong, Thailand, Philippines, Indonesia and Malaysia.
Contents
Synopsis
A historical drama about a crown prince who has lost his smile, a peddler who has lost her memory and their inevitable love that spans lifetimes.
Cast
Main
Kang Tae-oh as Lee Kang
The crown prince who has lost the love of his life.
Kim Se-jeong as Park Dal-i
A woman from low social class who lost her memory as an adult.
Lee Shin-young as Prince Un
Lee Kang's cousin
Hong Su-zu as Kim Woo-hee
Daughter of Kim Han-chul, love interest of Prince Un, and Lee Kang's betrothed.
Jin Goo as Kim Han-chul
A man of absolute power who is the "minister-advisor" to the King.
Supporting
Kim Nam-hee as Lee Hee
Kwon Joo-seok as Oh Shin-won
Han Sang-jo as Yoon Se-dol
Kim Yoon-bae as Cha Eun-woo
Park Ah-in as Park Hong-nan
Kim Ki-hong: Dal-yi's dad
Park Bo-kyung: Dal-yi's mom
Choi Deok-moon as Heo Young-gam
Kim Jung-ki as Minister of Personnel Jag-yeong
Yang Gi-won as Minister of War Hong Ro
Nam Gi-ae as Queen Dowager Han
Ji Il-joo as Do Seung-ji
Others
Song Ji-hyun as Yeo-ri
Tak-i-on as Tak-i
Yoon Chae-bin as Yeon-sim
Production
The series is directed by Lee Dong-hyeun, whose works include Bitter Sweet Hell (2024), and written by Cho Seung-hui, who wrote More Than Friends (2020). It is produced by High-Zium Studio.
Release
The series was originally scheduled to premiere on October 31. However, it was delayed by a week due to the broadcast of the 2025 Shinhan SOL Bank KBO Playoffs.
On November 13, 2025, MBC announced a change in broadcast time from 21:50 to 21:40 starting from the third episode.