Decibel

It will explode if it exceeds 100db.

A former Naval officer with a dark past must face off against an insurgent with a sound sensitive bomb.

Action Drama Thriller

Kim Rae-won

(Kang Do-young)

Lee Jong-suk

(Jeon Tae-sung)

Jung Sang-hoon

(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)

Kang Kyung-hun

(Superintendent)

Woo Ji-hyun

(Kim Yoo-taek)

Noh Sung-eun

(Cook)

Lee Seung-hun

(Lieutenant Kim)

Yoon Jung-yeol

(Captain)

Kim Geon

(Radar Specialist / Security Agent (voice))

Jang Se-won

(Engine Room Crew Member 1)

Ahn Tae-hwan

(Engine Room Crew Member 2)

Ryoo Si-an

(Engine Room Crew Member 3)

Myeong Hong-jin

(Chief Engineer / EOD Specialist (voice))

Han Min-yeob

(Second Lieutenant Kim)

Kwon Dong-ho

(Lieutenant Cha)

Kim Jin-hwan

(Helmsman 1)

Wi Min-gook

(Helmsman 2 / Reporter 3 (voice))

Kim Ho-jun

(Crewman in the Berthing Area 1)

Son Yoon-hwan

(Crewman in the Berthing Area 2)

Jeong Da-on

(Crewman in the Berthing Area 3)

Oh Dong-hoon

(Crewman 1)

Seo Woo-jin

(Crewman 2)

Lee Han-ju

(Crewman 3)

Son Seung-beom

(Crewman 4)

Lee Hwa-young

(Crewman 5)

Han Gi-chan

(Crewman 6)

Jeong Won-seok

(Crewman 7)

Kim E-jun

(Crewman 8)

Shin Young-chan

(Crewman 9)

Seong Baek-in

(Crewman 10)

Kim Dong-hun

(Crewman 11)

Kim Dong-in

(Crewman 12)

Phillip Ryu

(Crewman 13)

Jeong Yool-geon

(Crewman 14)

Jang Yong-hee

(Crewman 15)

Lee Young-hoon

(Crewman 16)

Park Soo-hyeon

(Crewman 17)

Cho Kang-hyuk

(Crewman 18)

Jeong Min-soo

(Crewman 19)

Lee Hoo-lim

(Crewman 20)

Choi Yoon-bin

(EOD Specialist 1)

Im Byeong-taek

(EOD Specialist 2)

Jung Hyun-wook

(EOD Specialist 3)

Park Sang-woo

(EOD Specialist 4)

Sin Hyeon-seo

(EOD Specialist 5)

Park Cheon-gook

(EOD Specialist 6)

Jeong Hyeon-woong

(EOD Specialist 7)

Hyung Young-sun

(Chairman of the Joint Chiefs of Staff)

Kim Yong-woo

(Submarine Commander)

Park Jae-yeong

(Representative of the Bereaved Families of ROKS Halla Victims)

Lee Sang-ha

(Defense Security Command 1)

Lim Seung-mook

(Defense Security Command 2)

Kim Yong-ho

(Defense Security Command 3)

Tak Hwan-ui

(Defense Security Command 4)

Lee Young-joo

(Woman Chatting in Cafe 1)

Jeon Del-ta

(Woman Chatting in Cafe 2)

Eom Ji-hyeon

(Woman Chatting in Cafe 3)

Go Doo-ok

(Woman Chatting in Cafe 4)

Jeon Tae-won

(Cafe Staff 1)

Sim Ji-na

(Cafe Staff 2)

Kim Seung-pil

(Bumping Man)

Lee Do-yoon

(Football Coach)

Kim Seon-jin

(Football Referee 1)

Heo Chang-hwan

(Football Referee 2)

Lee Yeong-joon

(Football Referee 3)

Moon Seong-hwan

(Football Referee 4)

Park Hyeon-yong

(Football Player 1)

Kim Seong-rok

(Football Player 2)

Park Jeong-min

(Football Player 3)

Lee Tae-gwan

(Football Player 4)

Seo Min-chan

(Football Player 5)

Yoon Se-joon

(Football Player 6)

Heo Chang-jin

(Football Player 7)

Jo Bo-jeong

(Football Player 8)

Jeong Seung-min

(Football Player 9)

Lee Ji-min

(Football Player 10)

Choi Ji-soo

(Football Player 11)

Kim Tae-bin

(Football Player 12)

Yoon Hyeong-heon

(Football Player 13)

Oh Jae-hong

(Football Player 14)

Kim Hong-jin

(Football Player 15)

Choi Won-jae

(Football Player 16)

Kim Jae-kyeong

(Football Player 17)

Jo Jeong-hoon

(Football Player 18)

Ahn Sang-hyeok

(Football Player 19)

Park Soo-hwan

(Football Player 20)

Sin Gyoo-cheol

(Football Player 21)

Bae Jin-woo

(Football Player 22)

Lee Jun-hee

(Football Player 23)

Lee Joo-ho

(Football Player 24)

Lee Joo-yeong

(Football Player 25)

Kim Jong-hoon

(Football Player 26)

Lee Seung-hwan

(Football Player 27)

Song Joon-ho

(Football Player 28)

Kim Joon-woo

(Football Player 29)

Ha Jae-wook

(Football Player 30)

Kim Jeong-bin

(Football Player 31)

Park Hae-gong

(Football Player 32)

Park Yoon-gwan

(Football Player 33)

Kim Min-joon

(Football Player 34)

Hong In-soo

(Football Player 35)

Lee Sang-hwa

(Football Player 36)

Kim Kyeong-goo

(Football Player 37)

Ahn Yeong-sik

(Football Player 38)

Shin Yun-ju

(Kang Seol-yeong)

Lee Jae-jun

(Oh Byung-gu)

Jo Yeon-woo

(Dae-woo)

Lee Jong-wook

(Lieutenant Lee / Jeon Tae-sung (voice))

Kim Jung-woo

(Team Leader Lee)

Na Hyun-woo

(Sung-woo)

Park Sung-hoon

(Executive Director Lee)

Park Jin-soo

(Minister of National Defense)

Cha Jeong-hwan

(Secretary to the Minister of National Defense)

Choi Mi-ra

(Captain Hwang's Wife)

Lee Seung-joon

(Commander, Republic of Korea Fleet)

Jeong Woo-hyuk

(Chief of Naval Operations)

Han Chang-hyun

(Director of the Agency for Defense Development)

Han Sang-kyung

(Yeong-man)

Nam Tae-hun

(Su-yeong / Reporter 2 (voice))

Yoo Min-suk

(Man-su)

Go Tae-yeong

(General Manager Jeon)

Kim Hyeon-dong

(Assistant Manager Kim)

Yoon Ji-hee

(VIP Mom)

Kim Seo-jun

(VIP Boy)

Seo Yeong-jin

(President of the Football Association)

Yoon Hyun-gil

(President of the Football Association's Wife)

Son Gwang-ik

(Busan City Council Member)

Park Ji-won

(City Council Member's Wife)

Park Cheol-hong

(Minister of Culture and Sports)

Seo Ji-won

(VIP Man)

Choi Hyeon-joo

(Kim Yoo-taek's Wife)

Kim Yool

(Kim Yoo-taek's Son)

Lim Seo-young

(Han Mi-nyeo's Colleague 1)

Lee Hyeon-ha

(Han Mi-nyeo's Colleague 2)

Son Seo-yeong

(Han Mi-nyeo's Colleague 3)

Lee Jung-jun

(Cadet 1)

An Da-jung

(Nurse)

Kim Seung-min

(Consulting Physician)

Yun Ki-chang

(Man Opening a Window)

Won Si-hyeon

(Woman Who Looks Like Jeon Tae-sung)

Kim Ha-rang

(KakaoTalk Woman 1)

Sul Youn-ji

(KakaoTalk Woman 2)

Jeong Hyun-ji

(KakaoTalk Woman 3)

Lee Yoon-ho

(Reporter 1)

Cha Jae-hyeon

(Reporter 2)

Jeong Jae-hoon

(Security Team Leader)

Cho Han-gyeol

(Security Team Member 1)

Im Byeong-cheol

(Security Team Member 2)

Heo Tae-kyeong

(Police 1)

Kim Hak-dong

(Police 2)

Kim Jang-won

(Doctor)

Lee Na-min

(VIP Room Nurse 1)

Joo Yeon-a

(VIP Room Nurse 2)

Choi Joon-seok

(Delivery Driver)

Jeong Myeong-jin

(Detective 1)

Shin Chi-young

(Detective 2)

Jeong Si-hoo

(Detective 3)

Oh Eun-ji

(Employee)

Choo Seong-min

(Male Customer)

Jeon Han-na

(Woman Cheering at the Stadium)

Chae Si-eun

(Female Teacher 1)

Jeon Ah-hee

(Female Teacher 2)

Lee Ha-yool

(Little Girl)

Seo Jeong-min

(Lifeguard)

Yoon Jae-hyeong

(Football Field Security Guard 1)

Kim Jin-woo

(Football Field Security Guard 2)

Shim Sang-min

(Football Field Security Guard 3)

Oh Tae-seung

(Football Field Security Guard 4)

Kim Jeong-il

(Injured Person on Football Field 1)

Lee Sang-hyeon

(Injured Person on Football Field 2)

In Chang-soo

(Injured Person on Football Field 3)

Bae Jae-wan

(Injured Person on Football Field 4)

Lee Yoo-joo

(Injured Person on Football Field 5)

Jo Hye-ri

(Injured Person on Football Field 6)

Lee Seong-hwan

(Injured Person on Football Field 7)

Kim Soo-bin

(Injured Person on Football Field 8)

Baek Seung-min

(Injured Person on Football Field 9)

Kim Sang-ryeol

(Injured Person on Football Field 10)

Park Je-yeong

(Injured Person on Football Field 11)

Kim Min-seok

(Injured Person on Football Field 12)

Kang Mi-jeong

(Injured Person on Football Field 13)

Yoon Ji-min

(Injured Person on Football Field 14)

Seol Min-kyeong

(Injured Person on Football Field 15)

Han Woon-ji

(Rooftop Garden Military Band 1)

Park Min-ji

(Rooftop Garden Military Band 2)

Kim Wooi-jeong

(Rooftop Garden Military Band 3)

Yoon Ji-yeong

(Rooftop Garden Military Band 4)

Bae Seong-jae

(Announcer (voice))

Jung Ji-hyun

(Commentator (voice))

Jo In-woo

(Jeon Tae-sung (voice))

Lee Seung-hun

(Jeon Tae-sung (voice))

Kim Ye-jin

(Announcer 1 (voice))

Kim Se-yeong

(Announcer 2 (voice))

Choi Chang-eun

(Announcer 3 (voice))

Kim Ji-yoo

(Announcer 4 (voice))

Lee Sa-moon

(Announcer 5 (voice))

Seo Hye-jin

(Apartment PA System Announcement (voiceover))

Lee Hyeon-ah

(TV News Reporter (voice))