Cast 43
Park Sang-hoon
Park Ru-oh (32 episodes)Park Luo (1 episode)
Shin Ha-kyun
Lee Shi-joon (32 episodes)
Jung So-min
Han Woo-joo (32 episodes)
Park Ye-jin
Ji Young-won (32 episodes)
Jang Yoo-sang
Im Se-chan (32 episodes)
Jung Hae-kyun
Park Dae-ha (32 episodes)
Joo Min-kyung
Kong Ji-sun (32 episodes)
Choi Jung-woo
Lee Taek-kyung (32 episodes)
Park Soo-young
Oh Ki-tae (32 episodes)
Tae In-ho
In Dong-hyuk (32 episodes)
Park Hyun-suk
Oh Hwa-young (32 episodes)
Jo Kyung-sook
Cho In-hye (32 episodes)
Park Han-sol
Gong Ji-hee (32 episodes)
Bae Min-jun
Kang Jin Woo (3 episodes)
Wi Ha-jun
Oh Yoo-Min (2 episodes)
Ha Yul-Ri
Baek Je-Ni (2 episodes)
Bang Joo-hwan
Bae Young-Oh (2 episodes)
Song Ji-ho
Shin Jong-Shik (2 episodes)
Shin Hee-gook
Doctor (2 episodes)
Song Yeong-jae
Sung Min-ho's Father (1 episode)
Baek Soo-hee
Kim Yoo-Ra (1 episode)
Kim Woo Jin
Ensemble member (1 episode)
Lee Seung-Hyung
Musical PD (1 episode)
Chae Yoo-hee
Child's mother (1 episode)
Kim Han-sang
TV production truck staff (1 episode)
Lee Sang-min
Doctor (1 episode)
Park Jung-eon
Judge (1 episode)
Kim Gyeong-min
Gi Tae's friend (1 episode)
Jung Jae-Oh
Sung Min-Ho (1 episode)
Lee Noah
Hwang Bo-Young (1 episode)
Oh Youn-hong
Doctor (1 episode)
Yoo Yong
Musical director (1 episode)
Hong Ye-ji
Anorexic patient (1 episode)
Shin Hye-kyung
Woo Joo's adoptive mother (1 episode)
Park Geon-lak
Detective (1 episode)
Kim Hyun
Patient (1 episode)
Park Jin-soo
Convenience store cashier (1 episode)
Ji Joo-yeon
Jung Se-Yeon (1 episode)
Moon Hak-jin
Doctor (1 episode)
Jang Young-hyeon
Patient with tic disorder (1 episode)
Kim Hye-eun
Patient (1 episode)
Kim Deok-ju
Jeong Eun-Hee (1 episode)
Ko Han-min
Firefighter (1 episode)
Directing 1
Yoo Hyeon-gi
Director (32 episodes)
Writing 1
Lee Hyang-hee
Screenplay (32 episodes)