Yoo Hai-jin

Gui-bo

Kim Min-jae

Sung-woong

Lee Sung-kyoung

Ga-young

Sung Dong-il

Sung-soo

Jin Kyung

Mi-ra

Na Moon-hee

Gui-bo's Mother

Hwang Woo-seul-hye

Do-na

Park Gyu-young

So-young

Lee Han-seo

Ji-young

Kim Tae-hun

Seung-hyuk

Hyun Bong-sik

Coach

Kim Kang-hyun

Koh Soo-hee

Choi Yu-hwa

Hye-jung

Lee Ji-ha

Myung Suk-geun

Lee Ye-won

Ga-young (young)

Kim Tae-yun

Gym member

Cho Yong-seok

VFX Supervisor

Yoon Choong-yeol

VFX Supervisor

Jang Min-jae

VFX Supervisor

Chang Ick-jea

VFX Supervisor

Kim Man-geun

Assistant Editor

Jung Jin-wook

Production Sound Mixer

Yang Hye-jin

Sound Editor

Ryu Jae-hwan

VFX Supervisor

Kim Dae-woong

Director

Kim Dae-woong

Writer

Kim Hak-hyun

Set Decoration

Bae Sun-hye

Line Producer

Lee An-na

Producer

Park Hyun-tae

Executive Producer

Cha Won-chun

Executive Producer

Dalpalan

Original Music Composer

Lee Hyung-deok

Director of Photography

Moon Se-kyoung

Editor

Gang Hye-yeong

Sound Designer

Lee Yo-han

Production Design

Lee Hyung-bin

Camera Operator

Kim Hyun-joo

Costume Designer

Park Cheong-woo

Lighting Director

Ha Mi-ra

Assistant Editor

Lee Geon-moon

Fight Choreographer

Yang Jin-sun

Costume Design

Lee Myeung-eun

Makeup & Hair

Han Gyeong-hoon

Assistant Director

Ryu Yeon

Digital Intermediate Producer