It's Okay to Not Be Okay

Kim Soo-hyun

Moon Gang-tae

Seo Ye-Ji

Go Moon Young

Oh Jung-se

Moon Sang-tae

Park Gyuyoung

Nam Joo Ri

Jang Young-Nam

Park Haeng-ja

Kim Joo-hun

Lee Sang-in

Park Jin-Joo

Yoo Seung Jae

Kang Ki-Doong

Jo Jae-soo

Ki-chun Kim

Kan Pil Wong (patient)

Ki-chun Kim

Kan Pil Ong

Kim Woo-kyum

Nurse

Jang Gyu-ri

Seon-byeol

Jeong Jaekwang

Joo Jeong-tae (patient)

Kim Chang-wan

Oh Ji-wang

Lee Eol

Go Dae Hwan

Kim Mi-Kyung

Kang Soon-deok

Choi Woo-Sung

Oh Cha Yong

Kim Soo-In

Young Go Moon-Young

Kang Ji-Eun

Park Ok Ran (patient)