Casting | Rôle |
|---|
| 김래원 | Kang Do-young |
| 이종석 | Jeon Tae-sung |
| 정상훈 | Oh Dae-oh |
| Park Byung-eun | Cha Young-han |
| Lee Sang-hee | Jung Yoo-jung |
| Jo Dal-hwan | No Jeong-seop |
| Cha Eun-woo | Jeon Tae-ryong |
| Lee Min-ki | Hwang Young-woo |
| Kim Seul-gi | Han Mi-nyeo |
| 강경헌 | Superintendent |
| Woo Ji-hyun | Kim Yoo-taek |
| 노성은 | Cook |
| 이승훈 | Lieutenant Kim / Jeon Tae-sung (voice) |
| 윤정열 | Captain |
| 김건 | Radar Specialist / Security Agent (voice) |
| 장세원 | Engine Room Crew Member 1 |
| 안태환 | Engine Room Crew Member 2 |
| 류시안 | Engine Room Crew Member 3 |
| 명홍진 | Chief Engineer / EOD Specialist (voice) |
| 한민엽 | Second Lieutenant Kim |
| 권동호 | Lieutenant Cha |
| 김진환 | Helmsman 1 |
| 위민국 | Helmsman 2 / Reporter 3 (voice) |
| 김호준 | Crewman in the Berthing Area 1 |
| 손윤환 | Crewman in the Berthing Area 2 |
| 정다온 | Crewman in the Berthing Area 3 |
| 오동훈 | Crewman 1 |
| 서우진 | Crewman 2 |
| 이한주 | Crewman 3 |
| 손승범 | Crewman 4 |
| 이화영 | Crewman 5 |
| 한기찬 | Crewman 6 |
| 정원석 | Crewman 7 |
| 김이준 | Crewman 8 |
| 신영찬 | Crewman 9 |
| 성백인 | Crewman 10 |
| 김동훈 | Crewman 11 |
| 김동인 | Crewman 12 |
| 류필립 | Crewman 13 |
| 정율건 | Crewman 14 |
| 장용희 | Crewman 15 |
| 이영훈 | Crewman 16 |
| 박수현 | Crewman 17 |
| 조강혁 | Crewman 18 |
| 정민수 | Crewman 19 |
| 이후림 | Crewman 20 |
| 최윤빈 | EOD Specialist 1 |
| 임병택 | EOD Specialist 2 |
| 정현옥 | EOD Specialist 3 |
| 박상우 | EOD Specialist 4 |
| 신현서 | EOD Specialist 5 |
| 박천국 | EOD Specialist 6 |
| 정현웅 | EOD Specialist 7 |
| 형영선 | Chairman of the Joint Chiefs of Staff |
| 김용우 | Submarine Commander |
| 박재영 | Representative of the Bereaved Families of ROKS Halla Victims |
| 이상하 | Defense Security Command 1 |
| 임승묵 | Defense Security Command 2 |
| 김용호 | Defense Security Command 3 |
| 탁환의 | Defense Security Command 4 |
| 이영주 | Woman Chatting in Cafe 1 |
| 전델타 | Woman Chatting in Cafe 2 |
| 엄지현 | Woman Chatting in Cafe 3 |
| 고두옥 | Woman Chatting in Cafe 4 |
| 전태원 | Cafe Staff 1 |
| 심지나 | Cafe Staff 2 |
| 김승필 | Bumping Man |
| 이도윤 | Football Coach |
| 김선진 | Football Referee 1 |
| 허창환 | Football Referee 2 |
| 이영준 | Football Referee 3 |
| 문성환 | Football Referee 4 |
| 박현용 | Football Player 1 |
| 김성록 | Football Player 2 |
| 박정민 | Football Player 3 |
| 이태관 | Football Player 4 |
| 서민찬 | Football Player 5 |
| 윤세준 | Football Player 6 |
| 허창진 | Football Player 7 |
| 조보정 | Football Player 8 |
| 정승민 | Football Player 9 |
| 이지민 | Football Player 10 |
| 최지수 | Football Player 11 |
| 김태빈 | Football Player 12 |
| 윤형헌 | Football Player 13 |
| 오재홍 | Football Player 14 |
| 김홍진 | Football Player 15 |
| 최원재 | Football Player 16 |
| 김재경 | Football Player 17 |
| 조정훈 | Football Player 18 |
| 안상혁 | Football Player 19 |
| 박수환 | Football Player 20 |
| 신규철 | Football Player 21 |
| 배진우 | Football Player 22 |
| 이준희 | Football Player 23 |
| 이주호 | Football Player 24 |
| 이주영 | Football Player 25 |
| 김종훈 | Football Player 26 |
| 이승환 | Football Player 27 |
| 송준호 | Football Player 28 |
| 김준우 | Football Player 29 |
| 하재욱 | Football Player 30 |
| 김정빈 | Football Player 31 |
| 박해공 | Football Player 32 |
| 박윤관 | Football Player 33 |
| 김민준 | Football Player 34 |
| 홍인수 | Football Player 35 |
| 이상화 | Football Player 36 |
| 김경구 | Football Player 37 |
| 안영식 | Football Player 38 |
| 신윤주 | Kang Seol-yeong |
| 이재준 | Oh Byung-gu |
| 조연우 | Dae-woo |
| 이종욱 | Lieutenant Lee / Jeon Tae-sung (voice) |
| Kim Jung-woo | Team Leader Lee |
| 나현우 | Sung-woo |
| 박성훈 | Executive Director Lee |
| 박진수 | Minister of National Defense |
| 차정환 | Secretary to the Minister of National Defense |
| 최미라 | Captain Hwang's Wife |
| 이승준 | Commander, Republic of Korea Fleet |
| Jeong Woo-Hyeok | Chief of Naval Operations |
| 한창현 | Director of the Agency for Defense Development |
| 한상경 | Yeong-man |
| 남태훈 | Su-yeong / Reporter 2 (voice) |
| 유민석 | Man-su |
| 고태영 | General Manager Jeon |
| 김현동 | Assistant Manager Kim |
| 윤지희 | VIP Mom |
| 김서준 | VIP Boy |
| 서영진 | President of the Football Association |
| 윤현길 | President of the Football Association's Wife |
| 손광익 | Busan City Council Member |
| 박지원 | City Council Member's Wife |
| 박철홍 | Minister of Culture and Sports |
| 서지원 | VIP Man |
| 최현주 | Kim Yoo-taek's Wife |
| 김율 | Kim Yoo-taek's Son |
| 임서영 | Han Mi-nyeo's Colleague 1 |
| 이현하 | Han Mi-nyeo's Colleague 2 |
| 손서영 | Han Mi-nyeo's Colleague 3 |
| 이정준 | Cadet 1 |
| 안다정 | Nurse |
| 김승민 | Consulting Physician |
| Yun Ki-chang | Man Opening a Window |
| 원시현 | Woman Who Looks Like Jeon Tae-sung |
| 김하랑 | KakaoTalk Woman 1 |
| 설윤지 | KakaoTalk Woman 2 |
| 정현지 | KakaoTalk Woman 3 |
| 이윤호 | Reporter 1 |
| 차재현 | Reporter 2 |
| 정재훈 | Security Team Leader |
| 조한결 | Security Team Member 1 |
| 임병철 | Security Team Member 2 |
| 허태경 | Police 1 |
| 김학동 | Police 2 |
| 김장원 | Doctor |
| 이나민 | VIP Room Nurse 1 |
| 주연아 | VIP Room Nurse 2 |
| 최준석 | Delivery Driver |
| 정명진 | Detective 1 |
| 신치영 | Detective 2 |
| 정시후 | Detective 3 |
| 오은지 | Employee |
| 추성민 | Male Customer |
| 전한나 | Woman Cheering at the Stadium |
| 채시은 | Female Teacher 1 |
| 전아희 | Female Teacher 2 |
| 이하율 | Little Girl |
| 서정민 | Lifeguard |
| 윤재형 | Football Field Security Guard 1 |
| 김진우 | Football Field Security Guard 2 |
| 심상민 | Football Field Security Guard 3 |
| 오태승 | Football Field Security Guard 4 |
| 김정일 | Injured Person on Football Field 1 |
| 이상현 | Injured Person on Football Field 2 |
| 인창수 | Injured Person on Football Field 3 |
| 배재완 | Injured Person on Football Field 4 |
| 이유주 | Injured Person on Football Field 5 |
| 조혜리 | Injured Person on Football Field 6 |
| 이성환 | Injured Person on Football Field 7 |
| 김수빈 | Injured Person on Football Field 8 |
| 백승민 | Injured Person on Football Field 9 |
| 김상렬 | Injured Person on Football Field 10 |
| 박제영 | Injured Person on Football Field 11 |
| 김민석 | Injured Person on Football Field 12 |
| 강미정 | Injured Person on Football Field 13 |
| 윤지민 | Injured Person on Football Field 14 |
| 설민경 | Injured Person on Football Field 15 |
| 한운지 | Rooftop Garden Military Band 1 |
| 박민지 | Rooftop Garden Military Band 2 |
| 김의정 | Rooftop Garden Military Band 3 |
| 윤지영 | Rooftop Garden Military Band 4 |
| 배성재 | Announcer (voice) |
| 정지현 | Commentator (voice) |
| 조인우 | Jeon Tae-sung (voice) |
| 김예진 | Announcer 1 (voice) |
| 김세영 | Announcer 2 (voice) |
| 최창은 | Announcer 3 (voice) |
| 김지유 | Announcer 4 (voice) |
| 이사문 | Announcer 5 (voice) |
| 서혜진 | Apartment PA System Announcement (voiceover) |
| 이현아 | TV News Reporter (voice) |