Soo Ae

Byun Ji-sook / Seo Eun-ha

Ju Ji-hoon

Choi Min-Woo

Yeon Jeong-hun

Min Seok-hoon

Yoo In-young

Choi Mi-Yeon

Jeong Dong-hwan

Byun Dae-sung

Yang Mi-kyung

Kang Ok-soon

Lee Ho-won

Byun Ji-hyuk

Jeon Kuk-hwan

Chairman Choi Doo-hyun

Jo Yoon-woo

Oh Chang-soo

Park Joon-geum

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]

Hong Seong-gil

Cinematography

Boo Seong-cheol

Director

Jo In-hyung

Editor

Im Ho-cheol

Editor

Shim Jung-woon

Executive Producer

Kim Jun-seok

Original Music Composer

Zico

Theme Song Performance

Jung Se-rin

Original Music Composer

Choi Ho-chul

Writer

Zico

Lyricist