Special appearance
Kim Seon-hwa
Black worker
Oh Sook-kyeong
Special agent B4 Black
Yeong-mi
Hong Jin-seok
SWAT commander
Jo Soo-yeong
Kwon Yong-gwan
Hwang Ho-yeong
Han Jeong-pil
Jo Myeong-ho
Kim Joon-ho
Han Jae-hee
Son Hyeok
Lee Jeong-woo