You Are My Spring

Composer

• 
  Lim Ha Yong

Director

• 
  Jung Ji Hyun
• 
  Joo Sang Kyu

Producer

• 
  Yun Ha Rim

Screenwriter

• 
  Lee Mi Na

Main Role

• 
  Seo Hyun Jin

  Kang Da Jeong

  Main Role
• 
  Kim Dong Wook

  Ju Yeong Do

  Main Role
• 
  Yoon Park

  Chae Jun / Choi Jeong Min | Ian Norman Chase

  Main Role
• 
  Nam Gyu Ri

  An Ga Yeong

  Main Role

Support Role

• 
  Kim Ye Won

  Park Eun Ha [Da Jeong's friend]

  Support Role
• 
  Han Min

  Park Cheol Do [Eun Ha's twin brother / Da Jeong's friend]

  Support Role
• 
  Kang Hoon

  Kang Tae Jeong [Da Jeong's younger brother]

  Support Role
• 
  Oh Hyun Kyung

  Moon Mi Ran [Da Jeong's mother]

  Support Role
• 
  Yoon Sang Jung

  Min A Ri [Part-timer at Gugu Café]

  Support Role
• 
  Lee Hae Young

  Ko Jin Bok [Poongji Chief homicide detective]

  Support Role
• 
  Yun Ji On

  Park Ho [Poongji Police Station detective]

  Support Role
• 
  Kim Ri Woo

  Choi Seong Jun [Poongji Police Station detective]

  Support Role
• 
  Park Ye Ni

  Heo Yu Gyeong [Hotelier / Da Jeong's colleague]

  Support Role
• 
  Park Jong Wook

  Kim Jeong Bin [Da Jeong's colleague]

  Support Role
• 
  Ji Seung Hyun

  Seo Ha Neul [Yeong Do's friend]

  Support Role
• 
  Kim Seo Kyung

  Cheon Seung Won [Yeong Do's best friend]

  Support Role
• 
  Baek Hyeon Ju

  O Mi Gyeong [Yeong Do's assistant]

  Support Role
• 
  Kim Myung Joon

  Na Min Jae

  Support Role
• 
  Hwang Seung Eon

  Han Jin Ho [Ga Yeong's trainer]

  Support Role
• 
  Park Sang Nam

  Patrick [Boy group member / Ga Yeong's fan]

  Support Role
• 
  Park Ki Duk

  Hwang Jae Sik

  Support Role
• 
  Hong Seung Gyun

  Dr. Ju Won

  Support Role
• 
  Paul Battle

  Dr. Chris Bale

  Support Role

Guest Role

• 
  Jeon Young

  [Sangji Grocery owner] (Ep. 1)

  Guest Role
• 
  Choi Yoon Je

  Ju Yeong Do [Young] (Ep. 1-2)

  Guest Role
• 
  Seo Woo Jin

  Kang Tae Jeong [Child] (Ep. 1-2, 4-5)

  Guest Role
• 
  Choi Min Yeong

  Choi Jeong Min [Young] (Ep. 5,13) | Ian Chase [Young] (Ep. 1-2, 5-6, 9, 13)

  Guest Role
• 
  Kim Joo Ah

  [Church volunteer] (Ep. 1, 4)

  Guest Role
• 
  Ok Ye Rin

  Kang Da Jeong [Child] (Ep. 1-5, 10, 14)

  Guest Role
• 
  Nam Mi Jung

  [Shaman] (Ep. 2)

  Guest Role
• 
  Jeong Yoon Hee

  [Café waitress] (Ep. 2)

  Guest Role
• 
  Hong Sung Hwan

  [Filming crew member] (Ep. 2)

  Guest Role
• 
  Seo Soo Min

  [Couple customer] (Ep. 2, 5, 7-8, 13)

  Guest Role
• 
  Nam Joong Gyu

  [Couple customer] (Ep. 2, 5, 7-8, 13)

  Guest Role
• 
  Lee Sung Il

  [Manager] (Ep. 3)

  Guest Role
• 
  Lee Ja Ryoung

  [Hotel housekeeper] (Ep. 3)

  Guest Role
• 
  Kim Geum Soon

  [Stationary store owner] (Ep. 3-4)

  Guest Role
• 
  Lee Joo Won

  Choi Jeong Min [Child] (Ep. 1-2,4, 7,14) | Ian Chase [Child] (Ep. 3-4, 6-7, 14)

  Guest Role
• 
  Hae Geum

  Han A Reum [Radio producer] (Ep. 3, 5, 8)

  Guest Role
• 
  Park So Yoon

  [Stationery store owner] (Ep. 3-4)

  Guest Role
• 
  Kim Shin Rok

  Kim Myeong Ja (Ep. 3, 5-7, 13-14)

  Guest Role
• 
  Lee Seung Yeon

  Jung Myeong Hui [Young Do's mother] (Ep. 3, 5-7, 14)

  Guest Role
• 
  Jung Ji Hoon

  Ju Yeong Do [Child] (Ep. 3, 5-7, 10, 14)

  Guest Role
• 
  Song Ji Ho

  [Radio show host] (Ep. 3, 5, 8, 16)

  Guest Role
• 
  Tak Woo Suk

  Lee Jeong Beom (Ep. 3, 6, 13)

  Guest Role
• 
  Ham Sang Hoon

  Cho Gwang Hun (Ep. 3, 13)

  Guest Role
• 
  Jung Young Keum

  [Sick woman] (Ep. 4)

  Guest Role
• 
  Seong No Jin

  [Church member] (Ep. 4)

  Guest Role
• 
  Lady Jane

  No Hyeon Ju [Ian Chase's assistant] (Ep. 4-5, 7-8, 10-12)

  Guest Role
• 
  Yoon Boo Jin

  Kim Yun A [Food stall vendor] (Ep. 4-5, 8-9, 14-15)

  Guest Role
• 
  Lee Chae Kyung

  [Agency CEO] (Ep. 5)

  Guest Role
• 
  Keum Dong Hyun

  [Kim Myeong Ja's husband] (Ep. 5)

  Guest Role
• 
  Kim Tae Yoo

  (Ep. 5)

  Guest Role
• 
  Jeong Hee Tae

  [Yeong Do's father] (Ep. 5-7)

  Guest Role
• 
  Jaspreet Kaur

  [Tourist] (Ep. 6)

  Guest Role
• 
  Nam Jin Bok

  Hong Se Geun (Ep. 6-7, 14)

  Guest Role
• 
  Han Myung Hwan

  Kwak Seon U [JYD Psychiatry Clinic patient] (Ep. 7)

  Guest Role
• 
  Jo Mi Nyeo

  [Seung Won's colleague] (Ep. 7-8, 11, 14)

  Guest Role
• 
  Kim Na Moo

  Ma Jae Guk (Ep. 8)

  Guest Role
• 
  Jang Yeon Woo

  (Ep. 8)

  Guest Role
• 
  Seo Jae Hee

  [Vice-chairwoman] (Ep. 8, 10, 12, 15)

  Guest Role
• 
  Choi Min Geum

  [Food truck vendor] (Ep. 8, 13)

  Guest Role
• 
  Goo Hyeon Gyeong

  [Makeup artist] (Ep. 9)

  Guest Role
• 
  Kang Ae Sim

  [Restaurant owner] (Ep. 9)

  Guest Role
• 
  Kim Nam Hee

  Kim Nam Hui [Ga Yeong's co-star / Actor] (Ep. 9-10, 12-13, 15)

  Guest Role
• 
  Go Geon Han

  Jun Ho [Eun Ha's ex-boyfriend] (Ep. 9, 16)

  Guest Role
• 
  Kim Chul Yoon

  [Man with knife] (Ep. 10)

  Guest Role
• 
  Kim Dae Ryeong

  Kwon Jeong Hyeon [Attorney] (Ep. 10)

  Guest Role
• 
  Yang Jin Seon

  [Waitress] (Ep. 10)

  Guest Role
• 
  Ma Min Hee

  [Yeong Do's alumna] (Ep. 10)

  Guest Role
• 
  Kim Ki Nam

  [Shaman] (Ep. 10, 13)

  Guest Role
• 
  Ahn Seok Hyun

  [Waiting room boy] (Ep. 10, 14, 16)

  Guest Role
• 
  Yun Ki Chang

  [Guest upset by drone] (Ep. 11)

  Guest Role
• 
  Choi Young Min

  [Ian Chase's attorney] (Ep. 11)

  Guest Role
• 
  Kim Woo Jin

  Byeong Hun (Ep. 13)

  Guest Role
• 
  Yoo Si A

  [Bride] (Ep. 13)

  Guest Role
• 
  Kim Dong Gyun

  [Building owner / Eun Ha's and Cheol Do's father] (Ep. 13, 15)

  Guest Role
• 
  Lee Dong Gyu

  [Anchor] (Ep. 14)

  Guest Role
• 
  Son Ki Chul

  [TV reporter] (Ep. 14)

  Guest Role
• 
  Jang Joon Hyun

  [Gas station attendant] (Ep. 14)

  Guest Role
• 
  Park Eun Young

  [Market vendor] (Ep. 15)

  Guest Role
• 
  Kim Nam Yee

  [Market vendor] (Ep. 15)

  Guest Role
• 
  Ahn Hyun Jung

  [Passerby] (Ep. 16)

  Guest Role
• 
  Han Sang Chul

  [Arrested man] (Ep. 16)

  Guest Role
• 
  Kim Yool Mi

  [Convenience store cashier] (Ep. 16)

  Guest Role
• 
  Jo Ji Hyun

  [Neighborhood store owner] (Ep. 16)

  Guest Role
• 
  Song Ha Hyun

  Min Jun

  Guest Role
• 
  Kim Seo Jun

  Ju Yeong Jae

  Guest Role
• 
  Ji Hye In

  No Hyeon Ju [Attorney]

  Guest Role
• 
  Yeom Dong Hun

  Yoo Jin Seok [Police chief]

  Guest Role
• 
  Noreen Joyce Guerra

  [Café part-timer]

  Guest Role
• 
  So Joon Sung

  [Patrick's manager]

  Guest Role
• 
  Yang Eun Sol Guest Role

Unknown

• 
  Kim Hak Jun Unknown
• 
  Park Bo Bae Unknown
• 
  Lee Yeon Bin Unknown
• 
  Seo Jung Bin Unknown