Kim Sung-su

as Sim Seok-hun

as Ik-seong

as Jeong-hwan

as Hwang In-Woo

as Jung-Woo

as Ahn Do Young

as Self (cameo)

as Kim Jung-wook

as Major Park Dae-suh

as Himself

as In-ho Lee

as himself

as Oh Seung-won

as Lee Soo-hwan

as Jon

as Yoon Suk-Ki / Alex Yoon

as In-cheol

as Yoo Min-hyuk

as Park Hee-soo

as Himself

as Dong-ki

as Han Jung-nam

as 벡터맨 이글