Điên Thì Có Sao

강기둥

Jo Sae-joo

장영남

Park Haeng-ja

Cheon So-Ra

Publishing House Staff

Choi Hee-jin

Kang-tae and Sang-tae's Mother

Choi Woo-sung

Oh Cha-yong

Cho Sang-kyung

Ha Kyoung-min

Psychiatrist at OK Psychiatric Hospital

Jang Gyu-ri

Seon-byul

Jeong Jae-kwang

Joo Jeong-tae

Ji Hye-won

Lee Ah-reum

Joo In-young

Yoo Sun-hae

Jung Ji-hwan

Publishing Co. Staff

Jung Ji-hyeon

Publishing House Staff

Kang Ji-eun

Park Ok-ran

Kim Chang-wan

Oh Ji-wang

Kim Dong-young

Kim Joo Eun

Kim Ju-hun

Lee Sang-in