I Wanna Hear Your Song (2019)

Cinematography

• 
  Kim Gwang Su

Director

• 
  Lee Jung Mi

Screenwriter

• 
  Kim Min Joo

Main Role

• 
  Kim Se Jeong

  Hong Yi Young

  Main Role
• 
  Yeon Woo Jin

  Jang Yoon / Jang Do Hoon

  Main Role
• 
  Park Ji Yeon

  Ha Eun Joo

  Main Role
• 
  Song Jae Rim

  Nam Joo Wan

  Main Role

Support Role

• 
  Kim Sang Gyun

  Moon Jae Hyung [A hip hop dancer and a barista]

  Support Role
• 
  Lee Shi Won

  Hong Soo Young [Yi Young's cousin]

  Support Role
• 
  Yoo Geon

  Michael Lee [The senior timpanist of the orchestra]

  Support Role
• 
  Yoon Joo Hee

  Yoon Mi Rae [Director of planning and promotion for the orchestra]

  Support Role
• 
  Jung Sung Mo

  Jang Seok Hyun [Jang Yoon's father]

  Support Role
• 
  Yoon Bok In

  Park Young Hee [Soo Young's mother]

  Support Role
• 
  Park Chan Hwan

  Hong Ji Seop [Soo Young's father]

  Support Role
• 
  Lee Byung Joon

  Song Jae Hwan [Yi Young's teacher]

  Support Role
• 
  Jo Mi Ryung

  Seo Soo Hyang [The youngest daughter of a chaeobol family]

  Support Role
• 
  Lee Jung Min

  Choi Seo Joo [Fluteist of the Hagyo Municiple Orchestra]

  Support Role
• 
  Jo Yoo Jung

  Yoo Jenny [Yi Young's best friend]

  Support Role
• 
  Song Young Kyu

  Kang Myung Seok [Music Professor]

  Support Role
• 
  Hwang Geum Byul

  Wang Mi Hyang [Fluteist of the Hagyo Municiple Orchestra]

  Support Role
• 
  Koo Bon Woong

  Yoon Young Gil [Truck driver]

  Support Role
• 
  Kim Chang Hoe

  Choi Ki Sang [Jang Yoon's friend]

  Support Role
• 
  Lee Seung Hyung

  Ko Min Joong [General manager of the orchestra]

  Support Role
• 
  Hong Seung Hee

  Yang Soo Jung [Secretary]

  Support Role
• 
  KoN

  Jo Han Seok [Violinist of the Hagyo Municiple Orchestra]

  Support Role
• 
  Kim Tae Yeon

  Hong Yi Young [Young]

  Support Role

Guest Role

• 
  Choi Na Moo

  [Yo Young's friend] (Ep. 2)

  Guest Role
• 
  Kim Shi Hoo

  Kim Ian / Jang Yoon [Jang Yoon's younger brother] (Ep.4-5, 8, 10, 12, 16, 18, 28, 30)

  Guest Role
• 
  Jung Soo Young

  Gong Seon Mi [Pianist who attempted suicide] (Ep.1, 9, 11)

  Guest Role
• 
  Lee Chae Kyung

  Su In Kim [Pianist]

  Guest Role
• 
  Park Hye Jin

  [Joo Wan's grandmother] (Ep.13-14, 18, 21-24, 31)

  Guest Role
• 
  Park Geon Rak

  [Detective] (Ep. 24-25, 28, 30-31)

  Guest Role
• 
  Kim Min Joon

  Jang Yoon [Young]

  Guest Role
• 
  Im Ji Kyu

  [Hong Yi Young's blind date] (Ep.12)

  Guest Role
• 
  Go Jung Min Guest Role
• 
  Na Seul Gi Guest Role
• 
  Jo Ah Young Guest Role
• 
  Park So Young Guest Role
• 
  Moon Chang Jun

  [man cleaning kettledrum]

  Guest Role
• 
  Lee Na Hyun

  [Neighborhood woman]

  Guest Role

Unknown

• 
  Kim Ji Eun Unknown