Mask - Elenco
수애
Byun Ji-sook / Seo Eun-ha
주지훈
Choi Min-Woo
연정훈
Min Seok-hoon
유인영
Choi Mi-Yeon
정동환
Byun Dae-sung
양미경
Kang Ok-soon
이호원
Byun Ji-hyuk
전국환
Chairman Choi Doo-hyun
Jo Yoon-woo
Oh Chang-soo
박준금
Mrs. Song
조한선
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]