Trailer
 | Seo In-guk as Pindol / Kang Sae-dol / Drill-bit |
 | Lee Soo-hyuk as Hwang Geon-woo |
 | Um Mun-suk as Jung Woo-sung / New Bird / Welder |
 | Yoo Seung-mok as Chief Na Choon-shik |
 | Tae Hang-ho as Park Gap-sung / Big Shovel |
 | Bae Yu-ram as Cho Man-sik |
 | Bae Da-bin as Song Eun-joo / Counter |
 | Seo Dong-won as General Dung |
 | Ji Dae-han as Straw |
 | Shin Yoo-ram as White Bear |
 | Shim So-young as Bong-soo's Mother |
 | Cho Young-gil as Detective |
| Jeong Hyeong-Ho as Intelligence Team Leader |
 | Woo Kang-min as Patrol Team Leader |
 | Moon Chang-jun as Detective |
 | Kim Jung-pal as Chief |
 | Lee Young-suk as Chairman Hwang |
 | Kim Jin-young as New Bird's Son |
| Crew | |
| Lee Sang-ha | Martial Arts Choreographer |
Art | |
| Shin Bo-ra | Props |
Writing | |
| Lee Young-jong | Adaptation |
Lighting | |
| Kim Gyeong-seok | Lighting Director |
Costume & Make-Up | |
| Kim Kyeong-mi | Costume Design |
Production | |
| Yoon Hong-jun | Producer |
| Lee Sung-jin | Executive Producer |
Writing | |
| Kim Kyung-chan | Writer |
Directing | |
| Yoo Ha | Director |
Writing | |
| Yoo Ha | Writer |
