Kadro (20)
Ji Chang-wookYoon Gyeo-rea
Sooyoung ChoiSeo Yeon-joo
Sung Dong-ilKang Tae-sik
Won Ji-anHa Jun-kyung
Nam Tae-hoonJang Seok-jun
Yang Hee-kyungYeom Soon-ja
Kil Hae-yeonChoi Deok-ja
Yoo Soon-woongHwang Cha-yong
Jeon Chae-eunYoo Seo-jin
Shin Ju-hwanYang Chi-hun
Park Se-junWang Jin-gu
Park Jin-jooSe Hee
Min Woo-hyukPyo Gyu-Tae
Jin MoMusical director
Lee Gyu-youngAudition security staff
Kim Si-eunKang Soo-Jin
Kim Bong-sooPatient
Lee You-miNew volunteer
Kang Chae-minDong Ho [Hye Jin's son]
Woo Kang-minFitness Instructor