가면

수애

Byun Ji-sook / Seo Eun-ha

Ju Ji-hoon

Choi Min-Woo

연정훈

Min Seok-hoon

Yoo İn-young

Choi Mi-Yeon

Jeong Dong-hwan

Byun Dae-sung

양미경

Kang Ok-soon

이호원

Byun Ji-hyuk

Jeon Kuk-hwan

Chairman Choi Doo-hyun

Jo Yoon-woo

Oh Chang-soo

박준금

Mrs. Song

Jo Han-sun

Kim Jung-tae

Shin Dong-hoon

[Big guy]

Amy Aleha

[Scientist]

Lee Sung-deuk

Byun Ji Sook's high school classmate

Lee Yoon-jeong

Byun Ji-sook [Young]

Choi Kwon-soo

Byeon Ji Hyeok [Young]