단단한 놈

Kim Min-seong

Jo Ja-ryong

Kim Hye-eun

Han So-yun

이순재

So Yun's grandfather

서인석

Kang Dong-Soo

방은희

Jo Mi-ryeong

Jeong Seong-hwan

Oh Tae-Joo

양택조

Jo Woo-Sam

Hwang In-sung

Ha Joon-Yeop