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Love Alarm (Season 1)

Love Alarm (Season 1): Kim So Hyun, Jung Ga Ram, Song Kang

love alarm season 1 cast synopsis
Credit: Netflix

General Information

  • International Title: Love Alarm
  • Original Title: 좋아하면 울리는 (romanization: Johahamyeon Woollineun)
  • Genre: Drama, Romance, Youth
  • Episode: 8
  • Released Date: 2019.08.22
  • Broadcasting Channel: Netflix
  • International Distributor: Netflix
  • Starring: Kim So Hyun, Jung Ga Ram, Song Kang
  • Director: Lee Na Jeong
  • Writer: Lee Ah Yeon, Seo Bo Ra, Cheon Kye Young (webtoon)
  • Viewership: N/A
  • Awards: N/A


Love Alarm Season 1 portrays love triangle between 3 high school students: Kim Jo Jo, Lee Hye Young, and Hwang Sun Oh. Jo Jo used to be a cheerful girl before her parents’ death but now her life is struggling. Meanwhile, Lee Hye Young and Hwang Sun Oh are best friends who attend the same high school with Jo Jo. Moreover, both have crush on Jo Jo. Later, Jo Jo uses the mobile application called “Joalarm” which enables her to discover romantic feeling. This application alarm rings to notify the users if there is someone who has romantic feeling for them within 10 meters. However, this application is unable to reveal the details about their lover or crush. It seems that Jo Jo couldn’t figure it yet.

Main Cast

love alarm season 1 cast kim so hyun
Credit: Netflix

Character name: Kim Jo Jo
Actress name: Kim So Hyun
Kim So Hyun’s notable works: River Where the Moon Rises, Love Alarm Season 2, The Tale of Nokdu, Radio Romance, Bring it on Ghost, Page Turner, School 2015, I Can Hear Your Voice, The Moon Embracing The Sun, etc

love alarm jung ga ram

Credit: Netflix

Character name: Lee Hye Young
Actor name: Jung Ga Ram
Jung Ga Ram’s notable works: Love Alarm Season 2, When the Camellia Blooms, Mistress, High Kick! 3, etc

song kang drama
Credit: Netflix

Character name: Hwang Sun Oh
Actor name: Song Kang
Song Kang’s notable works: Nevertheless, Navillera, Love Alarm Season 2, Sweet Home, When the Devil Calls Your Name, etc

Extended Cast

Go Min Si as Park Gul Mi
Lee Jae Eung as Cheon Duk Gu
Song Seon Mi as Jeong Mi Mi
Shim Yi Young as Bae Kyung Hui
Kim Young Pil as Hwang Jae Cheol
Park Sung Yeon as Ko Hyun Suk
Yoon Na Moo as Kim Min Jae
Shin Seung Ho as Jang Il Sik
Kim Young Ok as Jo Jo’s Grandma
Kim Ye Ji as Sung Ji Yeon
Z.Hera as Kim Jang Go
Kim Si Eun as Lee Yuk Jo

Kim Ji Woo as Kim Jo Jo (child)
Jung Ji Hoon as Lee Hye Young (child)
Kim Ji Woo as Hwang Sun Oh (child)
Kim Hee Chang as Teacher Choi
Song Geon Hee as Marx
Choi Joo Won as Sun Oh’s high school mate
Yeom Ji Young as Jo Jo’s mother
Jo Yoo Jung as Mon Sun
Bae Da Bin as Lee Wei Ju
Ki Do Hoon as Brian Cheon

Cameo & Special Appearance

Bigman as OST Singer (Ep. 5)

Character Relationship Chart


Original Soundtrack

“Falling Again” by Klang
“In My Dreams” by Tearliner (feat. Love X Stereo)
“In My Little Mind” by Hodge
“A Man for All Seasons” by Tearliner (feat. Zitten)

Teaser & Trailer Videos

Awards & Nominations



  • Love Alarm Season 1 is based on Daum webtoon with the same title written by Cheon Kye Young
  • Season 2 is released in March 2021
  • Love Alarm Season 1 is directed by Lee Na Jeong who previously directed popular Korean dramas such as Fight for My Way, Oh My Venus, and so on
  • This is the first original Netflix Korean series
  • It was planned to be produced by Hidden Sequence but the premiere was postponed due to internal reason of production. Later Netflix confirmed that the production would be produced by Studio Dragon

What do you think?


Written by 고나나

A quirky dark academian

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