Spring Fever

Director

• 
  Park Won Gook

Screenwriter

• 
  Kim A Yeong

Main Role

• 
  Ahn Bo Hyun

  Seon Jae Gyu

  Main Role
• 
  Lee Joo Bin

  Yun Bom

  Main Role
• 
  Cha Seo Won

  Choi I Jun

  Main Role

Support Role

• 
  Cho Jun Young

  Seon Han Gyeol [Jae Gyu’s nephew]

  Support Role
• 
  Lee Jae In

  Choi Se Jin [Transfer student]

  Support Role
• 
  Na Young Hee

  Jung Nan Hui [Yun Bom's mother]

  Support Role
• 
  Jo Seung Yun

  Yun Jeong Gi [Yun Bom's father]

  Support Role
• 
  Bae Jung Nam

  Jung Jin Hyeok [PE teacher]

  Support Role
• 
  Jin Kyung

  Seo Hye Suk [Homeroom teacher]

  Support Role
• 
  Oh Man Seok

  Hong Jeong Pyo [Dean of Academic Affairs]

  Support Role
• 
  Jung Yeong Gi

  Wi Jeong Hwan [Korean history teacher]

  Support Role
• 
  Seo Sang Won

  Choi Chan Gu [Se Jin's father]

  Support Role
• 
  Kim Sun Hye

  Lee Jin Hui [Se Jin's mother]

  Support Role
• 
  Kim Byung Chun

  Seok Gwan Su [Principal of Sinsu high school]

  Support Role
• 
  Son Yeo Eun

  Seon Hui Yeon [Jae Gyu’s older sister]

  Support Role
• 
  Bin Chan Uk

  Koo Philip

  Support Role
• 
  Im Su Hyung

  O Seong Tae

  Support Role
• 
  Lee Jae Mu

  O Dong Pyo [First-year student]

  Support Role
• 
  Ahn Sang Jin

  Kim Dae Han [Second-year student]

  Support Role
• 
  Son Deok Ki

  Park Jae Yeong

  Support Role
• 
  Han Joo Hyun

  Yun Bom (Child)

  Support Role

Guest Role

• 
  Byeon Chang Yeol

  [Health center man] (Ep. 1-2)

  Guest Role
• 
  Cha Mi Kyung

  [Tough restaurant owner] (Ep. 1-2)

  Guest Role
• 
  Park Beom Chan

  [Subordinate] (Ep. 1-2, 7, 11-12)

  Guest Role
• 
  Yoo Sun

  Kim Hyeon Ju [A Ram's mother] (Ep. 1-3, 10)

  Guest Role
• 
  Kim Sun Hye

  [Restaurant owner] (Ep. 1, 3, 9, 12)

  Guest Role
• 
  Seo Eun Joo

  [Wife car owner] (Ep. 2)

  Guest Role
• 
  Lim Jung Min

  [Husband car owner] (Ep. 2)

  Guest Role
• 
  Joo Seok Tae

  [A Ram's father] (Ep. 2, 6)

  Guest Role
• 
  Park Young Soo

  [Teacher] (Ep. 3)

  Guest Role
• 
  Jung Il Hwa

  [Ji U's mom] (Ep. 3)

  Guest Role
• 
  Jung Sae Byul

  [Veterinarian] (Ep. 3)

  Guest Role
• 
  Han Hae Sol

  [Hotel receptionist] (Ep. 3)

  Guest Role
• 
  Moon Yo Sep

  [Reporter] (Ep. 5)

  Guest Role
• 
  Son Byung Wook

  [Locksmith] (Ep. 6)

  Guest Role
• 
  Koo Min Hyuk

  [Police officer] (Ep. 6)

  Guest Role
• 
  Lee Hyun

  [Restaurant worker] (Ep. 9)

  Guest Role
• 
  No Eun Jeong

  [Restaurant worker] (Ep. 9)

  Guest Role
• 
  Cha Yoo Joo

  [Nurse] (Ep. 10)

  Guest Role
• 
  Kim Jun Seok

  [Doctor] (Ep. 10)

  Guest Role
• 
  Kwon Hyun Hee

  [Fire bystander] (Ep. 10)

  Guest Role
• 
  Seo Hyun Chul

  [Disfact head of entertainment department] (Ep. 11)

  Guest Role
• 
  Yang Ha Yoon

  [Teacher] (Ep. 12)

  Guest Role
• 
  Nam Hyun Woo

  [Teacher] (Ep. 12)

  Guest Role
• 
  Hyeon Seo Ri

  Hyun Seo Ri [Se Jin's partner]

  Guest Role
• 
  Kim Hye Jung

  [Neighborhood grandma]

  Guest Role
• 
  Jung Ma Rin

  [Neighborhood grandma]

  Guest Role