Lee Dong-wook as Park Young-ho

Lim Soo-jung as Joo Hyun-jin

Esom as Hong Joo-ok

Jang Hyun-sung as Jin-pyo

Kim Ji-young as Kyung-ah

Lee Mi-do as Yoon-jeong

Lee Sang-yi as Byung-soo

Ji Suyeon as Ye-ri

Jo Young-jin as Hyun-jin's Father

Park Seul-gi as Mask Singer

Yoon Kye-sang as Sun-woo

Jo Dal-hwan as Oh Si-in

Lee So-yeong as

Kim Sang-Wook as

Han Jong-hoon as

Oh Jun-hyeok as

Goo Si-yeon as

Han Yoon-ji as Lee Hyun-jung