Full cast of Mask Girl

Ko Hyun-jung

Kim Mo-mi

7 episodes

Nana

Kim Mo-mi

7 episodes

Lee Han-byeol

Kim Mo-mi

7 episodes

Ahn Jae-hong

Ju Oh-nam

7 episodes

Yeom Hye-ran

Kim Kyung-ja

7 episodes

Kim Ga-hee

Yoo Sang-sun

7 episodes

Shin Ye-seo

Kim Mi-mo

7 episodes

Moon Sook

Sim Young-hee (Mo-mi's mother)

7 episodes

Kim Min-seo

Kim Ye-chun

7 episodes

Kim Ha-neul

Kim Mi-mo (child)

7 episodes

Jang Won-young

Executive manager Kim

3 episodes

Jung Young-ki

Manager Oh

2 episodes

Park Jeong-hwa

Lee A-reum

2 episodes

Choi Daniel

Mr. Park

2 episodes

Park Ga-young

Daehan HR dept. staff

2 episodes

Han Jae-yi

Kim Chun-ae

2 episodes

Son Dam-bi

Self (archive footage)

1 episode

Kim Hyeon-mok

@TeddyLove

1 episode

Park Keun-rok

@HandsomeMonk

1 episode

Hong Seok-bin

Police captain

1 episode

Do Mi-yeon

Daehan employee (elevator)

1 episode

Park Moo-yum

Daehan employee (rooftop)

1 episode

Park Jun-hwan

Daehan employee

1 episode

Ok Su-boon

Won-ju

1 episode

Kim Jong-ho

Detective Seo Yong-jin

1 episode

Heo Dong-won

Detective Choi Jong-hun

1 episode

Kim Sang-ji

Kim Chun-ae (teen)

1 episode

Lee Jun-young

Choi Bu-young

1 episode

Kim Hye-hwa

Hostess club manager

1 episode

Moon Jong-up

Prince member

1 episode

Oh Jin-seok

Prince member

1 episode

Jeong won-cheol

Prince member

1 episode

Yoon Sa-bong

Ye-chun's mother

1 episode

Kim Hee-chang

Ye-chun's father

1 episode

Kim Eun-kyung

Cashier (eps 7)

1 episode

Kim Ji-na

Prison Officer (eps 7)

1 episode