Riven

Jo Seo-yeon

as Park Seon-yoo

Choi Ro-woon

as Ahn Jeong-gook

Yang So-min

as Yoon Na-hee

Kim Sun-hoa

as Jeong-gook's Mother

Lee Hwi-jong

as Homeroom Teacher Hong

Lee Sun-hee

as In-kyeong

Won Mi-won

as Grandmother

Lee Do-hyeon

as Seon-yoo's Father

Kim Tae-won

as Hyo-joon

Jo Yong jin

as Sang-jin

Won Yoon-seo

as Hyeon-ah

Hwang Si-yeon

as Si-yeon

Ahn Ji-hyeon

as Ji-hyeon

Yoo Sung-min

as Sung-min

Kim Geon

as Geon

Seong Yeo-jin

as Supermarket Owner

Lee Ja-ryeong

as School Nurse

Seo Gwang-jae

as Butcher

Kwon Yeong-gook

as School Sheriff

Kim Joong-ki

as Taxi Driver

Kim Hee-chang

as Dockmaster

Seo Ji-won

as Police Team Leader

Kim Joo-il

as Police Officer 1

Mok Gyu-ri

as Police Officer 2

Anna Elisabeth Rihlmann

as English Teacher

Kim Ro-sa

as Art Academy Director

Kim Yeong-joo

as Art Academy Teacher

Ji an

as Miss 1

Kim Ga-eun

as Miss 2

Kim Hyeong-joon

as Office Manager

Park Seung-il

as Distribution Center Staff

Han Soo-ho

as BBQ Restaurant Customer 1

Kim Yeong-hwan

as BBQ Restaurant Customer 2

Jang Hwan-yong

as Swimming Instructor 1

Eom Man-yong

as Swimming Instructor 2

Kim I-hyeon

as Classroom Student 1

Park Ha-nan

as Classroom Student 2

Yang Seo-yoon

as Classroom Student 3

Jo Seong-geun

as Classroom Student 4

Kwon Gi-joon

as Classroom Student 5

Yoon Seon-jeong

as Classroom Student 6

Eom Yoo-na

as Classroom Student 7

Park Sang-ah

as Classroom Student 8

Kim Da-yeong

as Classroom Student 9

Park Yeon-hoo

as Classroom Student 10

No Tae-hoon

as Academy Student

Kim Yoo-na

as Academy Student

Jeon Bo-kyeong

as Academy Student

Byeon Seung-woo

as Academy Student

Ahn Seo-hee

as Academy Student

Oh Jin-seo

as Academy Student

Kang Dae-hui

Lighting Director

Lee Sang-jun

Production Sound Mixer

Jung Yeon-kyung

Executive Producer

Kim Kyung-sun

Executive Producer

Jeong Sang-min

Producer

O Yeong-nim

Producer

Jung Yeon-kyung

Director

Jung Yeon-kyung

Writer

Park Gok-ji

Editor

Kim Hyung-koo

Director of Photography

Kim Suk-won

Sound Supervisor

Kim Yoo-seon

Costume Design

Jang Hye-ryeong

Makeup & Hair

Kwon Ji-won

Producer