Twinkling Watermelon (2023)

Director

• 
  Son Jung Hyun

Screenwriter

• 
  Jin Soo Wan

Main Role

• 
  Ryeoun

  Ha Eun Gyeol

  Main Role
• 
  Choi Hyun Wook

  Ha Yi Chan

  Main Role
• 
  Seol In Ah

  Choi Se Kyeong | On Eun Yu

  Main Role
• 
  Shin Eun Soo

  Yoon Cheong Ah

  Main Role

Support Role

• 
  Kim Joo Ryoung

  Lim Ji Mi [Cheong Ah's stepmother]

  Support Role
• 
  Bong Jae Hyun

  Ha Eun Ho [Eun Gyeol’s brother]

  Support Role
• 
  Choi Won Young

  Ha Yi Chan [Older]

  Support Role
• 
  Seo Young Hee

  Yoon Cheong Ah [Older]

  Support Role
• 
  Koo Jun Hoe

  Koo Jun Hyung [Spine9's vocalist]

  Support Role
• 
  Chun Ho Jin

  Viva [Eun Gyeol's mentor]

  Support Role
• 
  Jung Sang Hoon

  [Master]

  Support Role
• 
  Lee Suk Hyeong

  Jung Bal San [College student]

  Support Role
• 
  Lee Su Chan

  Noh Se Bum [Keyboardist]

  Support Role
• 
  Oh Hee Jun

  Oh Ji Hwan

  Support Role
• 
  Han Min

  Bae Soo Tak [Spine9’s bassist]

  Support Role
• 
  Lee So Yeon

  Choi Se Kyeong [Older]

  Support Role
• 
  Go Doo Shim

  Go Yang Hee [Lee Chan’s grandmother]

  Support Role
• 
  Lee Soo Min

  Yoon Sang Ah [Se Kyeong’s friend]

  Support Role
• 
  Yoon Jae Chan

  Kang Hyun Yul [Bassist]

  Support Role
• 
  Ahn Do Kyu

  Oh Ma Ju [Band manager]

  Support Role
• 
  Kim Tae Woo

  Yoon Gun Hyung [Cheong Ah's father]

  Support Role
• 
  Kwon Do Hyung

  Yoon Joo Yeop [Cheong Ah's stepbrother]

  Support Role
• 
  Yeon Oh

  Jung Ji Oh [Spine9’s drummer]

  Support Role
• 
  Lee Ha Min

  Lee Shi Kook

  Support Role
• 
  Kim Ye Ji

  Lee Mi Ra

  Support Role
• 
  Kim Hyung Beom

  Oh Ma Joo [Older]

  Support Role

Guest Role

• 
  Kim Ji Woo

  Ha Eun Ho [Young] (Ep. 1)

  Guest Role
• 
  Jung Hyun Joon

  Ha Eun Gyeol [Young] (Ep. 1)

  Guest Role
• 
  Noh Hee Joong

  [Worker] (Ep. 1)

  Guest Role
• 
  Kim Moon Ho

  [Vegetables supplier] (Ep. 1)

  Guest Role
• 
  Heo Jung Min

  [Coffee shop manager] (Ep. 1)

  Guest Role
• 
  Kim Ha Eon

  Yeom Byung Ho (Ep. 1-2)

  Guest Role
• 
  Kim Mi Hwa

  [Landlady / Yeom Byung Ho’s mother] (Ep. 1-2)

  Guest Role
• 
  Kyung Ki Hyun

  [Talent agent] (Ep. 2)

  Guest Role
• 
  Lee Won Jin

  [Police officer] (Ep. 2)

  Guest Role
• 
  Oh Kyu Taek

  [Choi Se Kyung's chauffeur] (Ep. 2-3)

  Guest Role
• 
  Shin Young Kyu

  Yong Jun Ki (Ep. 3)

  Guest Role
• 
  Kim Dong Gyun

  [Math teacher] (Ep. 3)

  Guest Role
• 
  Lee Seung Chul

  [Unhoused man] (Ep. 3)

  Guest Role
• 
  Jeon Seok Chan

  [The Day owner] (Ep. 3, 5)

  Guest Role
• 
  Moon Seo Yeon

  Choi Se Kyung [Young] (Ep. 4)

  Guest Role
• 
  Cha Young Mi

  [Maid] (Ep. 4)

  Guest Role
• 
  Han Ji Eun

  [Cello instructor] (Ep. 4)

  Guest Role
• 
  Yoon Hyo Sik

  [Choi Se Kyung's dad] (Ep. 4)

  Guest Role
• 
  Oh Hyun Kyung

  Shin Ha Young [Choi Se Kyung's mother] (Ep. 4-5)

  Guest Role
• 
  Park Ho San

  Choi Hyun [Owner of Baekya Music] (Ep. 5-6)

  Guest Role
• 
  Kwon Dan Ah

  Yoon Cheong Ah [Young] (Ep. 6)

  Guest Role
• 
  Kim Eui Shin

  [Store owner] (Ep. 6)

  Guest Role
• 
  Lee Seol Hee

  [Yoon Cheong Ah's mother] (Ep. 6)

  Guest Role
• 
  Kim Hae Jun

  DJ Jun (Ep. 7)

  Guest Role
• 
  Ryu Jin

  On Ji Hwan [Adult] (Ep. 7)

  Guest Role
• 
  Woo Jeong Won

  Yoon Sang A [Adult] (Ep. 7)

  Guest Role
• 
  Lee Sang Hoon

  Attorney Jang (Ep. 8)

  Guest Role
• 
  Kim So Eun

  Jung Hyun Jung [Nurse] (Ep. 8)

  Guest Role
• 
  Kim Bong Hee

  [Hospital patient] (Ep. 8)

  Guest Role
• 
  Kim Jun Seok

  [Dean of students] (Ep. 9)

  Guest Role
• 
  Eom Ji Man

  [Dean of students] (Ep. 9)

  Guest Role
• 
  Yoon Do Hyun

  Yoon Dong Jin [Older] (Ep. 10)

  Guest Role
• 
  Kim Jun Hyung

  Yoon Dong Jin [Younger] (Ep. 10)

  Guest Role
• 
  Yoo Yi Ha

  [Cellist student] (Ep. 10)

  Guest Role
• 
  Lee Moo Nyoung

  [Restaurant worker] (Ep. 10)

  Guest Role
• 
  Lee Eun Mi

  [Liquor store owner] (Ep. 10)

  Guest Role
• 
  Park Han Sol

  [Ha Eun Ho's girlfriend] (Ep. 10)

  Guest Role
• 
  Hong Suk Youn

  Jung Soo Bin (Ep. 11)

  Guest Role
• 
  Park Woo Young

  Lee Kang Hoon (Ep. 11)

  Guest Role
• 
  Do Geon Wu

  [Gang member] (Ep. 11)

  Guest Role
• 
  Jin Hui Gyu

  [Incarcerated juvenile] (Ep. 11)

  Guest Role
• 
  Jung Yong Ju

  Jung Do Jin (Ep. 11, 15)

  Guest Role
• 
  Lee So Hee

  Ji Min (Ep. 13)

  Guest Role
• 
  Jung Kyu Soo

  Kang Joong Man [Principal] (Ep. 13)

  Guest Role
• 
  Jun Jung Il

  [Taxi driver] (Ep. 13)

  Guest Role
• 
  Kang Yi Suk

  [Dongwon High student] (Ep. 13)

  Guest Role
• 
  Byun Gun Woo

  [Convenience store cashier] (Ep. 13)

  Guest Role
• 
  Moon Hyeon Jeong

  [Maid] (Ep. 14)

  Guest Role
• 
  Kim So Min

  [Sidewalk boy] (Ep. 15)

  Guest Role
• 
  Ryu Soo Young

  Lee Si Guk [Older] (Ep. 16)

  Guest Role
• 
  Jin Tae Hyun

  No Se Bum [Older] (Ep. 16)

  Guest Role
• 
  Song Chang Eui

  Kang Hyun Yul [Older] (Ep. 16)

  Guest Role
• 
  Baek Seung Hyun

  [Detective] (Ep.16)

  Guest Role
• 
  Yoo Soo Ah

  Ji Hye Soo

  Guest Role
• 
  Choi Yoon Woo

  Yoon Joo Yeob [Young]

  Guest Role
• 
  Park Jung Hoon

  Lee Jong Kwan [Astronomical department]

  Guest Role
• 
  Shin Young Chan

  [Boarder]

  Guest Role
• 
  Yoon Dong Hwan

  [Boarder]

  Guest Role
• 
  Yoon Jung Hoon

  [Music teacher]

  Guest Role
• 
  Lee Sae Byul

  [PR team leader]

  Guest Role
• 
  Jung Kang Hee

  [Club Spark boss]

  Guest Role
• 
  Park Sun Woo Guest Role
• 
  Kim Hee Sung Guest Role
• 
  Lee Bong Ha

  [Eun Gyeol's helper] (Ep. 2)

  Guest Role
• 
  Lee Eun Mi

  [Liquor store owner] (Ep. 10)

  Guest Role
• 
  Lee Dong Gi

  [Gang member] (Ep. 11)

  Guest Role

Chief Producer

• 
  Lee Ki Hyuk

Producer

• 
  Park Sang Hyun

Unknown

• 
  Kim Ji Yeon Unknown