SeriesSecret Friend of Idols2020 · 2 seasons · 58 episodes · Returning SeriesSign in to track thisShareNo description available.Episodes▸Season 10/39▸Season 20/19CastLee Jae-yun(Ep. 11-25)Kim Hong-joongPark Seong-hwaJeong Yun-hoKang Yeo-sangChoi SanJung Woo-youngChoi Jong-hoMoonbyulYounghoonHyunjaeJu Haknyeon
