히어로

Lee Joon-gi

Jin Do-Hyuk

Yoon So-yi

Joo Jae-In

Choi Jung-woo

Choi Il Doo

Baek Yoon-sik

Jo Yong Deok

엄기준

Kang Hae Seong

서영주

young Jin Do-hyuk

김우석

Kang Hye Seong [Young]

Jung Soo-young

Na Ga-Yeon

조경훈

Bong Sang-Chul

Kim Mi-kyung

Hae Seong's mother

Ji Chang-wook

Park Jung-Hyung

Kim Hyang-gi

Jin Sol