Pemeran Love Alarm

Kim So Hyun (김소현)

as Kim Jo Jo

Pemeran Utama

Jung Ga Ram (정가람)

as Lee Hye Yeong

Pemeran Utama

Song Kang (송강)

as Hwang Seon O

Pemeran Utama

Go Min Si (고민시)

as Park Gul Mi

Pemeran Pembantu

Song Sun Mi

as Jung Mi Mi

Pemeran Pembantu

Kim Young Pil

as Hwang Jae Chul

Pemeran Pembantu

Yoon Na Moo

as Kim Min Jae

Pemeran Pembantu

Shin Seung Ho (신승호)

as Il Shik

Pemeran Pembantu

Z Hera

as Kim Jang Go

Pemeran Pembantu

Kim Si Eun

as Yook Jo

Pemeran Pembantu

Jo Yoo Jung

as Mon Sun

Pemeran Pembantu

Kim Ye Ji

as Sung Ji Yeon

Pemeran Pembantu

Hyun Woo Seok

as Ki Seong Jun

Pemeran Pembantu

Lee Jae Eung

as Cheon Duk Goo

Pemeran Pembantu

Kim Hee Chang

as Teacher Choi

Pemeran Pembantu

Park Ji Hoon

as Ji Hoon

Pemeran Pembantu

Sim Yi Young

as Bae Kyung Hee [Hye Young's mother]

Pemeran Pembantu

Park Sung Yun

as [Jo Jo's aunt / Gul Mi's mother]

Pemeran Pembantu

Son Su Min

as [Gul Mi's classmate]

Pemeran Pembantu

Jo Deok Hee

as [Sun Oh's classmate]

Pemeran Pembantu

Choi Joo Won

as Choi Joo Won [Sun Oh's classmate]

Pemeran Pembantu

Ham Sung Min

as [Bullied student] (Ep. 3)

Bintang Tamu

Im Se Mi (임세미)

as (Ep. 5)

Bintang Tamu

Kim Ji Woo

as Hwang Sun Oh [Young]

Bintang Tamu

Song Geon Hee

as Marx [Idol]

Bintang Tamu

Yoo In Soo (유인수)

as [Student]

Bintang Tamu

Baek Jae Woo

as [Student]

Bintang Tamu

Jung Ji Hoon

as Lee Hye Young [Young]

Bintang Tamu

Kim Ji Woo

as Kim Jo Jo [Young]

Bintang Tamu

Seo Jin Won

as [Teacher]

Bintang Tamu

Han Seo Ul

as [Student]

Bintang Tamu

Jang So Jeong

as Jo Jo

Bintang Tamu

Kim Min Chul

Bintang Tamu

Seol Ye Rin

Bintang Tamu

Han Se Jin

as [Jo Jo's classmate] (Ep. 2-3, 5)

Bintang Tamu

Yeom Ji Young

as [Jo Jo's mother] (Ep. 3)

Bintang Tamu

Kim Young Ok

as [Jo Jo's grandmother]

Bintang Tamu

Lee Na Jung

Sutradara

Chon Kye Young

Original Creator

Lee Ah Yeon

Screenwriter

Seo Bo Ra

Screenwriter

Kim Sae Bom

Screenwriter