The Liar and His Lover

Lee Hyun-woo

Kang Han-Kyeol· 16 ep

JOY

Yoon So-Rim· 16 ep

Choi Min-soo

Kang In-Woo· 16 ep

Lee Jung-jin

Choi Jin-Hyuk· 16 ep

Kim In-kwon

Homeroom Teacher· 16 ep

Im Ye-jin

Kim Soon-Hee· 16 ep

Lee Seo-won

Seo Chan-Young· 16 ep

Sung Joo

Yoo Shi-Hyun· 16 ep

Hong Seo-young

Chae Yoo-Na· 16 ep

Song Kang

Baek Jin-Woo· 16 ep

Jang Ki-yong

Ji In-ho· 16 ep

Lee Su-ryeon

Reporter· 16 ep

Jung Yoo Geun

Kang Han-Kyeol (child)· 16 ep

Lee Yoo-jun

[sound engineer]· 16 ep

Lee Seo Hyeon

Yoon So-Rim (child)· 16 ep

Kang Woo-je

[Yoo Hyun Jung's assistant]· 16 ep

Kim Yong-geon

[Yoo Hyun Jung's father, chairman Who Entertainment]· 16 ep

Park Jong-hyuk

Lee Kyoo Sun· 16 ep

신제민

Lee Yoon· 16 ep

Yoo Joo-won

Lee Kyoo Sun (young)· 16 ep

Kim Min-seok

Koo Joon Seok· 16 ep

Lee Hye-bin

Trainee· 1 ep

Yeon Woo

Trainee· 1 ep

Kim Na Yun

Trainee· 1 ep

Park Hae-soo

Bass player· 1 ep

Yang Kyung-won

[director of the competition]· 1 ep

Lee Jun Yong

[ member boy group from show "Produce 20"]· 1 ep

Lee Sang Ho

[ member boy group from show "Produce 20"]· 1 ep

Go Bon Kuk

[ member boy group from show "Produce 20"]· 1 ep

Han Jae Un

[ member boy group from show "Produce 20"]· 1 ep

Kim Jiwoong

[ member boy group from show "Produce 20"]· 1 ep