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