Longing for You

Composer

• 
  Kim Jang Woo

Director

• 
  Han Cheol Soo
• 
  Kim Yong Min

Screenwriter

• 
  Kwon Min Soo

Main Role

• 
  Na In Woo

  O Jin Seong

  Main Role
• 
  Kim Ji Eun

  Ko Yeong Ju

  Main Role
• 
  Kwon Yul

  Cha Yeong Un

  Main Role
• 
  Bae Jong Ok

  Yoo Jeong Suk

  Main Role
• 
  Lee Kyu Han

  Park Gi Yeong

  Main Role
• 
  Jung Sang Hoon

  Bae Min Gyu

  Main Role

Support Role

• 
  Ren

  O Jin U

  Support Role
• 
  Jang Hye Jin

  Hong Yeong Hui [Jin Seong's mother]

  Support Role
• 
  Kim Hee Jung

  Pi Jang Mi [Yeong Ju's mother]

  Support Role
• 
  Choi Kwang Il

  Cha Jin Cheol

  Support Role
• 
  Song Seung Ha

  Lee Eun Byeol

  Support Role
• 
  Kim Chul Ki

  Jung U No [Secretary]

  Support Role
• 
  Kim Hyung Mook

  Chu Yeong Chun [Doctor]

  Support Role
• 
  Park Hyun Sook

  Baek Mi Ja

  Support Role
• 
  Kwon Do Kyun

  Park Do Hyeok [Investigator]

  Support Role
• 
  Jung Ga Hee

  Yang Hui Ju

  Support Role
• 
  Park Wan Kyu

  Yang Ho Cheol

  Support Role
• 
  Kim Young Hoon

  Lee Sang Geun [Chief prosecutor]

  Support Role
• 
  Kim Jong Gu

  Bae Tae Uk

  Support Role
• 
  Na In Gyu

  Yook Jung Tae

  Support Role
• 
  Park Chul Min

  Mok Dong Man

  Support Role
• 
  Ahn Shi Ha

  Kim Mi Ro / Ma Ri

  Support Role

Guest Role

• 
  Min Kyung Jin

  [Farmer] (Ep. 1)

  Guest Role
• 
  Jung Hye Kyung

  [Gambler] (Ep. 1)

  Guest Role
• 
  Lee Hyun

  [Gambler] (Ep. 1)

  Guest Role
• 
  Park Sun Ah

  [Bar owner] (Ep. 1)

  Guest Role
• 
  Choi Mi Geum

  [Café worker] (Ep. 1)

  Guest Role
• 
  Jeon Seong A

  [Hae Ju's mother] (Ep. 1)

  Guest Role
• 
  Joo Woo

  [Detective] (Ep. 1-2, 4-5)

  Guest Role
• 
  Lee Sol Gu

  [Detective] (Ep. 1-2, 5)

  Guest Role
• 
  Kwon Yong Deok

  Detective Lee (Ep. 1-2, 4-6)

  Guest Role
• 
  Kim Jin Woo

  [Criminal profiler] (Ep. 1, 8)

  Guest Role
• 
  Park Na Eun

  Mi Jung [Housekeeper] (Ep. 1, 3-6, 9-10, 12)

  Guest Role
• 
  Park Bo Bae

  [Min Gyu's girlfriend] (Ep. 2)

  Guest Role
• 
  Kim Ji Wan

  Lee Sung Yong (Ep. 2-3, 5)

  Guest Role
• 
  O Gyu Taek

  Attorney Choi (Ep. 2, 9)

  Guest Role
• 
  Kim Young Jo

  Choi Myeong Jin [Jinjin Medical Center] (Ep. 2, 4, 10)

  Guest Role
• 
  Byun Joo Hyun

  Lee Sang Tae [Chief] (Ep. 3)

  Guest Role
• 
  Kim Mi Ra

  [Hair salon customer] (Ep. 3)

  Guest Role
• 
  Kim Jin Ok

  [Lee Sung Yong's landlady] (Ep. 3)

  Guest Role
• 
  Ko Do Eun

  [Dental clinic nurse] (Ep. 3)

  Guest Role
• 
  Kang Chung Hun

  [Anchor] (Ep. 3, 7)

  Guest Role
• 
  Lee Seo Jin

  O Jin U [Young] (Ep. 3, 5, 12)

  Guest Role
• 
  Kim Bum Suk

  Chairman Kang (Ep. 4)

  Guest Role
• 
  Park Woo Jun

  [Chairman Kang's subordinate] (Ep. 4, 6)

  Guest Role
• 
  Jin Seo

  [Anchorwoman] (Ep. 4-6)

  Guest Role
• 
  Park Seo Yeon

  Yoo Ju Hyeon (Ep. 4, 13)

  Guest Role
• 
  Paul Battle

  Chris (Ep. 5)

  Guest Role
• 
  Han Mi Jin

  [Sung Yong's sister] (Ep. 5)

  Guest Role
• 
  Sa Hye Jin

  [Waitress ] (Ep. 5-6)

  Guest Role
• 
  Park Deunisaem

  [Min Gyu's girlfriend] (Ep. 5, 7)

  Guest Role
• 
  Joo Sang Hyun

  [Luxury retail salesman] (Ep. 5, 10)

  Guest Role
• 
  Lee Kun Goo

  [Motorist] (Ep. 6)

  Guest Role
• 
  Kim Nak Gyun

  [Detective] (Ep. 6)

  Guest Role
• 
  Shin Min Soo

  [Apartment security guard] (Ep. 6)

  Guest Role
• 
  Kim Geun Hwan

  [Courier] (Ep. 7)

  Guest Role
• 
  Han Ki Jang

  [Detective] (Ep. 7)

  Guest Role
• 
  Ji In Ho

  [Detective] (Ep. 7)

  Guest Role
• 
  Kim Sun Ik

  [Police officer] (Ep. 7)

  Guest Role
• 
  Lee Hye Jo

  [Jinjin Medical Center Nurse] (Ep. 7)

  Guest Role
• 
  Kim Il Woo

  Chauffeur Park [Tae Uk's chauffeur] (Ep. 7-8)

  Guest Role
• 
  Joo Sae Byuk

  Kong Ju Yeon [Nurse] (Ep. 7, 9)

  Guest Role
• 
  Cho Yi An

  Cha Yeong Un [Young] (Ep. 7, 13)

  Guest Role
• 
  Kim Gun Woo

  Park Gi Yeong [Young] (Ep. 7, 13)

  Guest Role
• 
  Lee Yoo Han

  Hwang Pil Ho (Ep. 8, 12)

  Guest Role
• 
  Choi Sang A

  Yun Seo Hyeon [Min Gyu's wife] (Ep. 9)

  Guest Role
• 
  Choi Ri Ho

  [Ex-special forces soldier] (Ep. 10)

  Guest Role
• 
  Kim Han

  [Architect] (Ep. 10)

  Guest Role
• 
  Kim So Eun

  [Jinjin Hotel staff] (Ep. 10)

  Guest Role
• 
  Lee Jae Woo

  Hong Dae Hui (Ep. 10)

  Guest Role
• 
  Choi Bum Ho

  Yun Jeong Suk (Ep. 11-14)

  Guest Role
• 
  Lee Ji Young

  [Apartment security staff] (Ep. 12)

  Guest Role
• 
  Uhm Yoon Jung

  [Reporter] (Ep. 12)

  Guest Role
• 
  Bo Ra Na

  [Attorney Hong's mother] (Ep. 12-13)

  Guest Role
• 
  Kim Joon Hwan

  [Jinjin Medical Center Administration chief] (Ep. 13)

  Guest Role
• 
  Ma Jung Pil

  [Doctor] (Ep. 13)

  Guest Role
• 
  Jang Yoon Woo

  [Reporter] (Ep. 13)

  Guest Role
• 
  Jang Eun Seo

  [Reporter] (Ep. 13)

  Guest Role
• 
  Ji Chan

  Lee Sang Min (Ep. 13-14)

  Guest Role
• 
  Park Jae Wan

  Choi Sang Uk (Ep. 13-14)

  Guest Role
• 
  Park Gi Seon

  [Judge] (Ep. 14)

  Guest Role
• 
  Yoo Ha Bok

  [Attorney general] (Ep. 14)

  Guest Role
• 
  Lee Ye Ji

  [Reporter] (Ep. 14)

  Guest Role
• 
  Yoon Jung Hoon

  Mr. Lee

  Guest Role

Unknown

• 
  Jung Min Seok Unknown