단단한 놈

Yoo Dong-yoon

Writer

Kim Min-seong

Jo Ja-ryong

金惠恩

Han So-yun

李顺载

So Yun's grandfather

徐仁锡

Kang Dong-Soo

方银姬

Jo Mi-ryeong

Jeong Seong-hwan

Oh Tae-Joo

양택조

Jo Woo-Sam

Hwang In-sung

Ha Joon-Yeop