The Liar and His Lover

Lee Hyun-woo

Kang Han-Kyeol

JOY

Yoon So-Rim

Choi Min-soo

Kang In-Woo

Lee Jung-jin

Choi Jin-Hyuk

Kim In-kwon

Homeroom Teacher

Im Ye-jin

Kim Soon-Hee

Lee Seo-won

Seo Chan-Young

Sung Joo

Yoo Shi-Hyun

Hong Geum-bi

Chae Yoo-Na

Song Kang

Baek Jin-Woo

Jang Ki-yong

Ji In-ho

Lee Su-ryeon

Reporter

Jung Yoo Geun

Kang Han-Kyeol (child)

Lee Yoo-jun

[sound engineer]

Lee Seo Hyeon

Yoon So-Rim (child)

Kang Woo-je

[Yoo Hyun Jung's assistant]

Kim Yong-geon

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

Park Jong-hyuk

Lee Kyoo Sun

신제민

Lee Yoon

Yoo Joo-won

Lee Kyoo Sun (young)

Kim Min-seok

Koo Joon Seok