The First Responders Season 2 (2023)

Chief Producer

• 
  Park Young Soo

Director

• 
  Shin Kyung Soo

Producer

• 
  Kim Yong Jin

Screenwriter

• 
  Min Ji Eun

Main Role

• 
  Kim Rae Won

  Jin Ho Gae

  Main Role
• 
  Son Ho Jun

  Bong Do Jin

  Main Role
• 
  Gong Seung Yeon

  Song Seol

  Main Role

Support Role

• 
  Son Ji Yoon

  Yoon Hong [NFS]

  Support Role
• 
  Oh Eui Shik

  Kang Do Ha [NFS]

  Support Role
• 
  Kang Gi Doong

  Gong Myung Pil [Ho Gae’s partner]

  Support Role
• 
  Seo Hyun Chul

  Baek Cham [Detective team leader]

  Support Role
• 
  Woo Mi Hwa

  Dok Ko Soon [Taewon fire stn.]

  Support Role
• 
  Ji Woo

  Bong An Na [Do Jin’s sister]

  Support Role
• 
  Baek Eun Hye

  Woo Sam Soon [Scientific Investigation team]

  Support Role
• 
  Jung Jin Woo

  Choi Ki Soo [Taewon fire stn.]

  Support Role
• 
  Lee Woo Je

  Ha Dong Woo [Taewon fire stn.]

  Support Role
• 
  Kang Seo Ha

  Kang Seo Ha [Taewon fire stn.]

  Support Role
• 
  Kwon Do Ha

  Kwon Do Ha [Taewon fire stn.]

  Support Role
• 
  Baek In Joo

  Baek In Joo [Taewon fire stn.]

  Support Role
• 
  Cha Yoon Ho

  Lee Ji Hoon [Taewon fire stn.]

  Support Role
• 
  Bae Kang Min

  Min [Detective]

  Support Role
• 
  Jo Seung Yun

  Jin Cheol Joong [Ho Gae's father]

  Support Role
• 
  Lee Do Yup

  Ma Tae Hwa

  Support Role
• 
  Jo Hee Bong

  Yang Chi Young [Lawyer]

  Support Role
• 
  Yoo Byung Hoon

  Moon Young Soo [Detective]

  Support Role
• 
  Jun Joon Woo

  [Medical examiner]

  Support Role
• 
  Kim Hae Ri

  [Medical examiner]

  Support Role
• 
  Lee Hyun Jae

  [Medical examiner]

  Support Role
• 
  Park Joo Young

  Park Myung Hee [NFS]

  Support Role

Guest Role

• 
  Do Ki Suk

  [Criminal] (Ep. 1)

  Guest Role
• 
  Choi Ja Woon

  [Restaurant boy] (Ep. 1)

  Guest Role
• 
  Lee Seol Hee

  [Restaurant mom] (Ep. 1)

  Guest Role
• 
  Oh Kyung Min

  [Factory manager] (Ep. 1)

  Guest Role
• 
  Chae Yoon Hee

  [Restaurant owner] (Ep. 1)

  Guest Role
• 
  Yoo Dok Hyun

  [Restaurant owner] (Ep. 1)

  Guest Role
• 
  Ryu Je Seung

  [Majung police officer] (Ep. 1)

  Guest Role
• 
  Park Jin Soo

  [Majung policeman] (Ep. 1)

  Guest Role
• 
  Choi Jae Hwan

  Choi Do Joon [Courier] (Ep. 1-2)

  Guest Role
• 
  Park Seo Yeon

  Choi Na Ri [Do Joon's daughter] (Ep. 1-2)

  Guest Role
• 
  Choi Won Young

  Ha Young Doo [First serial arsonist] (Ep. 1-2)

  Guest Role
• 
  Ha Yi An

  [Na Ri's friend] (Ep. 1-2)

  Guest Role
• 
  Ji Sung Geun

  [Building security guard] (Ep. 1-2)

  Guest Role
• 
  Kim Jung Ho

  Cho Il Joon (Ep. 1, 4, 11)

  Guest Role
• 
  Lee Hwa Jung

  Han Soo Jin [Doctor] (Ep. 2)

  Guest Role
• 
  Yang Jong Wook

  Cha Jae Hee [Doctor] (Ep. 2)

  Guest Role
• 
  Kim Sae Rom

  [Nurse] (Ep. 2)

  Guest Role
• 
  Yang Hee Won

  Woo Hyuk (Ep. 2-3)

  Guest Role
• 
  Jung Ji Hoon

  [Woo Hyuk's friend] (Ep. 2-3)

  Guest Role
• 
  Seok Min Gi

  [Woo Hyuk's friend] (Ep. 2-3)

  Guest Role
• 
  Hwang Young Hee

  Hee Sook [Seol's adoptive mother] (Ep. 2-3, 5-6)

  Guest Role
• 
  Cha Yong Hak

  Park Ho Yeon [Rapid Intervention team] (Ep. 2, 10)

  Guest Role
• 
  Hong Dong Young

  Kang Do Ha [Young] (Ep. 3)

  Guest Role
• 
  Park Si Won

  Bong Do Jin [Young] (Ep. 3)

  Guest Role
• 
  Hong Seo Joon

  [Commander] (Ep. 3)

  Guest Role
• 
  Jeong Wook

  [Chief firefighter] (Ep. 3)

  Guest Role
• 
  Yoon Sang Hwa

  Yang Sang Man [Dochoon Villa fire victim] (Ep. 3-4)

  Guest Role
• 
  Han Kyu Won

  Han Yoon Jae [EOD specialist] (Ep. 3-4, 11)

  Guest Role
• 
  Jo Young Gyu

  [Mapung Hospital doctor] (Ep. 3, 7)

  Guest Role
• 
  Park Eun Byeol

  [Little girl] (Ep. 4)

  Guest Role
• 
  Ahn Se Bin

  Yoo Jung (Ep. 4-6)

  Guest Role
• 
  Hwang Jung Min

  Yong Soon Bok [Spring lady] (Ep. 4-6)

  Guest Role
• 
  Lee Ji Ha

  Gong Ju Soon / "Princess Granny" [Recycler woman] (Ep. 4-5)

  Guest Role
• 
  Kwon Oh Kyung

  [Maintenance manager] (Ep. 4-6)

  Guest Role
• 
  Baek Sung Chul

  Park Hong Jun [Prosecutor] (Ep. 4, 7-8, 11)

  Guest Role
• 
  Seo Jae Kyu

  Yeom Sang Gu [Prosecutor] (Ep. 4, 8)

  Guest Role
• 
  Ahn Kil Kang

  Nam Seok Gu [Chief of police] (Ep. 4, 12)

  Guest Role
• 
  Bo Ra Na

  Kwak Soon Ja [Unit 503’s resident] (Ep. 5)

  Guest Role
• 
  Jung Soo Han

  [Bailiff] (Ep. 5)

  Guest Role
• 
  Noh Haeng Ha

  [Yong Soo’s wife] (Ep. 5)

  Guest Role
• 
  Kim Dong Soo

  Kim Soo Yong [Security guard] (Ep. 5-6)

  Guest Role
• 
  Hong Woo Jin

  Park Yong Soo [Unit 301’s resident] (Ep. 5-6)

  Guest Role
• 
  Hong Suk Bin

  Kong Doo Eon [Unit 104’s resident] (Ep. 5-6)

  Guest Role
• 
  Yoon Joo

  Kim Young Joo [Unit 202’s resident] (Ep. 5-6)

  Guest Role
• 
  Park Sang Hoon

  [Yong Soo’s son] (Ep. 5-6)

  Guest Role
• 
  Im Ye Eun

  Kim Hyun A (Ep. 6)

  Guest Role
• 
  Kim So Woon

  [Real estate agent] (Ep. 6)

  Guest Role
• 
  Choi Yoon Bum

  [Young Joo’s ex-husband] (Ep. 6)

  Guest Role
• 
  Park Sang Hwi

  [Prison officer] (Ep. 7)

  Guest Role
• 
  Kim Seo Ha

  An Jun Seo (Ep. 7-8)

  Guest Role
• 
  Min Sung Wook

  Gong Young Doo (Ep. 7-8)

  Guest Role
• 
  Ko Yu Ni

  Woo Sun A [Sam Soon's daughter] (Ep. 7-8)

  Guest Role
• 
  Lee Hyo Bi

  Woo Sun Ju [Sam Soon's daughter] (Ep. 7-8)

  Guest Role
• 
  Jung Jin Gak

  Cheon Tae Jin [Beomdongyeong faction leader] (Ep. 7-8)

  Guest Role
• 
  Lee Ji Hoon

  [Gangster] (Ep. 7-8)

  Guest Role
• 
  Lee Soo Yong

  [Gangster] (Ep. 7-8)

  Guest Role
• 
  Shin Hyun Sil

  [Gangster] (Ep. 7-9)

  Guest Role
• 
  Kwak Jin Seok

  [Gangster] (Ep. 7-9)

  Guest Role
• 
  Kim Jae Ho

  [Detective] (Ep. 7-11)

  Guest Role
• 
  Ahn Ji Hye

  [Sun Yeol's wife] (Ep. 7, 12)

  Guest Role
• 
  Jo Duk Hyun

  Judge An (Ep. 8)

  Guest Role
• 
  Jung Sun Chul

  Kim Dae Moo [Loan shark boss] (Ep. 8)

  Guest Role
• 
  Lee Chang Jik

  [Attorney] (Ep. 8)

  Guest Role
• 
  Lee Dong Soo

  [Udadak Chicken worker] (Ep. 8)

  Guest Role
• 
  Jeon Sung Woo

  Han Se Jin [NFS forensic professor] (Ep. 8-12)

  Guest Role
• 
  Park Min Jung

  Seok Mi Jung (Ep. 9)

  Guest Role
• 
  Kim Woo Hyeok

  [Tax officer] (Ep. 9)

  Guest Role
• 
  Kim Wang Geun

  [Decoy patient] (Ep. 9)

  Guest Role
• 
  Lee Jung Eun

  [Moon Gu's wife] (Ep. 9)

  Guest Role
• 
  Kim Sang Il

  [Hospital director] (Ep. 9)

  Guest Role
• 
  Choi Moo Sung

  Seok Moon Gu [Mi Jung's father] (Ep. 9-11)

  Guest Role
• 
  Hwang Man Ik

  [Technician] (Ep. 9-10)

  Guest Role
• 
  Kim Mi Hye

  Han Sook Ja [Housemaid] (Ep. 10)

  Guest Role
• 
  Park Jong Hui

  [Chinese restaurant owner] (Ep. 8)

  Guest Role
• 
  Sim A Reum

  [Na Ri's friend] (Ep. 1-2)

  Guest Role
• 
  Shin Ki Joon

  Song Min Jun [Jae Jun's son] (Ep. 10)

  Guest Role
• 
  Choi Hee Jin

  Bang Ja Gyeong [Jae Jun's wife] (Ep. 10)

  Guest Role
• 
  Jeon Gook Hwan

  Ma Jung Do [Tae Hwa's father] (Ep. 10)

  Guest Role
• 
  Choi Hee Do

  [Post office worker] (Ep. 10)

  Guest Role
• 
  Seo Dong Won

  [Rental car company owner] (Ep. 10)

  Guest Role
• 
  Lee Ho Yeol

  Im Sun Yeol [Detective] (Ep. 10-11)

  Guest Role
• 
  Lee Jung Hun

  Song Jae Jun [Judge] (Ep. 10, 12)

  Guest Role
• 
  Park Jeong Seo

  [CCTV repairman] (Ep. 11)

  Guest Role
• 
  Jang Hyun Sung

  Jang Sung Jae [Prosecutor] (Ep. 11-12)

  Guest Role
• 
  Darcy Paquet

  [FBI agent] (Ep. 12)

  Guest Role
• 
  Yang Dong Tak

  [Makeup artist] (Ep. 12)

  Guest Role
• 
  Kim Si On

  [Sun Yeol’s daughter] (Ep. 12)

  Guest Role
• 
  Kwon Je In

  Hwang Jung Soon

  Guest Role
• 
  Ham Jin Sung

  [Prison guard]

  Guest Role
• 
  Im Seung Gyu

  [Crime scene investigator]

  Guest Role

Unknown

• 
  Kim Seo Ha Unknown
• 
  Seo Seung Won Unknown