The Liar and His Lover

Lee Hyun-woo

Kang Han-Kyeol

JOY

Yoon So-Rim

Choi Min-soo

Kang In-Woo

이정진

Choi Jin-Hyuk

Kim İn-kwon

Homeroom Teacher

İm Ye-jin

Kim Soon-Hee

Lee Seo-won

Seo Chan-Young

Sung Joo

Yoo Shi-Hyun

홍금비

Chae Yoo-Na

Song Kang

Baek Jin-Woo

Jang Ki-yong

Ji In-ho

이수련

Reporter

Jung Yoo Geun

Kang Han-Kyeol (child)

Lee Yoo-jun

[sound engineer]

Lee Seo Hyeon

Yoon So-Rim (child)

강우제

[Yoo Hyun Jung's assistant]

김용건

[Yoo Hyun Jung's father, chairman Who Entertainment]

박종혁

Lee Kyoo Sun

신제민

Lee Yoon

유주원

Lee Kyoo Sun (young)

Kim Min-seok

Koo Joon Seok