 | Shin Ha-kyun als Kang Eun-pyo |
 | Go Soo als Kim Soo-hyeok |
 | Lee Je-hoon als Shin Il-young |
 | Ryu Seung-su als Oh Gi-yeong |
 | Ko Chang-seok als Yang Hyo-sam |
 | Lee Da-wit als Nam Seong-sik |
 | Ryu Seung-ryong als Hyeon Jeong-yoon |
 | Kim Ok-vin als Cha Tae-kyeong |
 | Cho Jin-woong als Yoo Jae-ho |
 | Jeong In-gi als Lee Sang-eok |
 | Park Young-seo als Hwang Seon-cheol |
 | Seo Joon-yeol als Tobacco Soldier (uncredited) |
 | Min Choi als Antiaircraft Army officer (uncredited) |
 | Jeon Kuk-hwan als Regimental Commander (uncredited) |
 | Ha Soo-ho als 3rd Platoon (uncredited) |
| Jo Min-ho als 2P Radio Soldier (uncredited) |
| Kim Rok-kyeong als Supplemental Soldier (uncredited) |
| Han Seong-yong als Squad Leader (uncredited) |
 | Yoon Min-soo als Alligator Company Staff Sergeant (uncredited) |
 | Kim Kang-il als Soldier Imitating a Crocodile (uncredited) |
 | Choi Jung-woo als Colonel Choi (uncredited) |
 | Jang In-ho als 2P Fire Soldier (uncredited) |
| Han Seung-do als Pohang Company Commander (uncredited) |
| Ha Seong-cheol als (uncredited) |
| Kang Yeong-il als (uncredited) |
 | Choe Min als North Korean Army Military Officer |
| Jang Hoon | Director |
| Lee Woo-jeong | Producer |
| Son Na-ri | Costume Design |
| Kim Hyeon-cheol | Producer |
| Dalpalan | Original Music Composer |
| Kim Woo-hyung | Director of Photography |
| Cho Sang-kyung | Costume Design |
| Park Sang-yeon | Screenplay |
| Jang Young-gyu | Original Music Composer |
| Ryu Seong-hie | Production Design |
| Lee Nae-kyung | Art Direction |
| Kwon Su-kyung | Makeup & Hair |
| Kim Sang-bum | Editor |
| Kim Jae-beom | Editor |
| Jung Do-ahn | Special Effects Supervisor |
| Kim Min-jae | Lighting Director |
| Jeong Won-chan | Line Producer |
| Sin Jae-myeong | Fight Choreographer |
| Jung Sung-jin | Visual Effects Supervisor |
| Hong Eui-jeong | Martial Arts Choreographer |
| Kim Won-jin | Stunts |
| Lee Dae-hee | Line Producer |
| Kim Chang-seop | Sound Designer |
| Jeong Seong-ho | Stunts |
| Jeong Gwang-ho | Production Sound Mixer |
| Kang Jong-ik | VFX Supervisor |
| Lee Sang-ha | Stunts |
| Park Jin-ho | Digital Intermediate |
| Kim Tae-eui | VFX Supervisor |
| Shin Jae-ho | Special Effects Makeup Artist |
| Lim Wang-sub | Stunts |
| Han Dae-ryong | Stunts |
| No Hyeong-gi | Stunts |
| Jang Seok-hun | Props |
| Lee Jae-hyeok | Still Photographer |
| Lim Hyo-woo | Stunts |
| Kim Byung-oh | Stunts |
