나의 유감스러운 남자친구

노민우

Yoon Tae-Woon

양진성

Yoo Ji-Na

Yoon Hak

Kang Hee-chul

Han Hye-rin

Jung Hye-mi

Cha Joo-young

Cha Joo-Young

윤주상

CEO Yoon

김진근

Yoo Ji-Na's father

김혜선

Yoo Ji-Na's mother

길용우

Jung Hye-Mi's father

박진주

Mal-Sook

이용주

Man-Soo

강한샘

Hong Jang-pyeong

김도연

Section Chief Oh Mi-Ran

Jang Jae-ho

IM employee

전진서

Yoon Tae-Woon (young)