Secret Friend of Idols 2020 · 2 seasons · 58 eps Returning Series + My List ↗ Share Your Rating ★★★★★ Cast Lee Jae-yun (Ep. 11-25) Kim Hong-joong Park Seong-hwa Jeong Yun-ho Kang Yeo-sang Choi San Jung Woo-young Choi Jong-ho Moonbyul Younghoon Hyunjae Ju Haknyeon More Like ThisCouldn't load this row right now.
Lee Jae-yun 
Kim Hong-joong 
Park Seong-hwa 
Jeong Yun-ho 
Kang Yeo-sang 
Choi San 
Jung Woo-young 
Choi Jong-ho 
Moonbyul 
Younghoon 
Hyunjae 
Ju Haknyeon 