Jo Jeong-Hyeon
— Swordsman
이영호
— San Ji-Ni
이정희
— San Ji-Ni's Mother
Yun Yeon-Gyeong
— Se-Hui
이문수
— Toad
Lee Ok-Ju
— Yellowtail
Lee Hwang-Geun
— X
Kim Myeong-Deok
— Sam Do-Li
Won Jin
— Brother of X
No Jin-Wu
Lee Kyeong-Hui
Park Sang-Hyeon
Chae Su-Am
Hwang Jae-Seok
Sin Jae-myeong
김재현
Song Chun-Hun
Yun Hwa
Choe Hyeong-Seok
Kim Myeong-sun
Yu Hae-Mu
— X (voice)
김환진
— Subordinate #1 (voice)
Lee Jae-myeong
— Subordinate #2 (voice)