 Kim Rae-wonKang Do-young | Kang Do-young |
 Lee Jong-sukJeon Tae-sung | Jeon Tae-sung |
 Jung Sang-hoonOh Dae-oh | Oh Dae-oh |
 Park Byung-eunCha Young-han | Cha Young-han |
 Lee Sang-heeJung Yoo-jung | Jung Yoo-jung |
 Jo Dal-hwanNo Jeong-seop | No Jeong-seop |
 Cha Eun-wooJeon Tae-ryong | Jeon Tae-ryong |
 Lee Min-kiHwang Young-woo | Hwang Young-woo |
 Kim Seul-giHan Mi-nyeo | Han Mi-nyeo |
 Kang Kyung-hunSuperintendent | Superintendent |
 Woo Ji-hyunKim Yoo-taek | Kim Yoo-taek |
 Noh Sung-eunCook | Cook |
 Lee Seung-hunLieutenant Kim / Jeon Tae-sung (voice) | Lieutenant Kim / Jeon Tae-sung (voice) |
 Yoon Jung-yeolCaptain | Captain |
 Kim GeonRadar Specialist / Security Agent (voice) | Radar Specialist / Security Agent (voice) |
 Jang Se-wonEngine Room Crew Member 1 | Engine Room Crew Member 1 |
 Ahn Tae-hwanEngine Room Crew Member 2 | Engine Room Crew Member 2 |
| RRyoo Si-anEngine Room Crew Member 3 | Engine Room Crew Member 3 |
| MMyeong Hong-jinChief Engineer / EOD Specialist (voice) | Chief Engineer / EOD Specialist (voice) |
 Han Min-yeobSecond Lieutenant Kim | Second Lieutenant Kim |
 Kwon Dong-hoLieutenant Cha | Lieutenant Cha |
| KKim Jin-hwanHelmsman 1 | Helmsman 1 |
| WWi Min-gookHelmsman 2 / Reporter 3 (voice) | Helmsman 2 / Reporter 3 (voice) |
 Kim Ho-junCrewman in the Berthing Area 1 | Crewman in the Berthing Area 1 |
| SSon Yoon-hwanCrewman in the Berthing Area 2 | Crewman in the Berthing Area 2 |
| JJeong Da-onCrewman in the Berthing Area 3 | Crewman in the Berthing Area 3 |
| OOh Dong-hoonCrewman 1 | Crewman 1 |
 Seo Woo-jinCrewman 2 | Crewman 2 |
 Lee Han-juCrewman 3 | Crewman 3 |
 Son Seung-beomCrewman 4 | Crewman 4 |
