Kim Da-mi

Ja-yoon

Cho Min-soo

Dr. Baek

Park Hee-soon

Choi

Choi Woo-shik

Nobleman

Go Min-si

Myung-hee

Choi Jung-woo

Mr. Koo

Oh Mi-hee

Mrs. Koo

Kim Byeong-ok

Chief Do

Jeong Da-eun

Long Hair

Lee Ju-won

President Seong

Kim Ha-na

Young Ja-yoon

Lee Si-woo

Young Nobleman

Lee Si-hoon

Officer Jang

Baek Seung-chul

Store Owner

Woo Min-kyu

Store Owner's Son

Kim Jong-hoon

Man 1

Seo Han-gyeol

Man 2

Park Jong-hwan

Man 3

Jin Yeong-joon

Man 4

Kwak Jin-seok

President Seong's Subordinate 1

Baek Jong-hwan

President Seong's Subordinate 2

Nam Gyeong-min

President Seong's Subordinate 3

Park Sang-hoon

President Seong's Subordinate 4

Kim Hyun

President Seong's Subordinate 5

Go Bong-goo

President Seong's Subordinate 6

Seo Jeong-goo

President Seong's Subordinate 7

Lee Jung-hyoung

Dr. Baek's Bodyguard 1

Park Woo-jae

Dr. Baek's Bodyguard 2

Kim Han-sol

A Star is Born Assistant Director

Park Sin-woo

A Star is Born Producer

Im Sang-hyeok

Someone in Production Control Room

Myeong Hong-jin

Director Go's Driver

Song Hyeong-su

Doctor

Yeo Moo-yeong

Old Doctor (Flashback)

Hyun Bong-sik

Middle-Aged Man

Park Won-jin

Choi's Agent 1

Seol Woo-sin

Choi's Agent 2

Baek Gyoo-hyeon

Choi's Agent 3

Kim Jong-myeon

Choi's Agent 4

Yoo Seung-kwon

Choi's Agent 5

Lee Sang-yong

Choi's Agent 6

Jeong Jae-boong

Choi's Agent 7

Choi Byeong-joo

Choi's Agent 8

Park Jeong-soo

Choi's Agent 9

Jo Je-oong

Choi's Agent 10

Kim Yong-woon

Choi's Agent 11

Jo Gwang-hee

Choi's Agent 12

JeA

A Star is Born Judge 1

Mowg

A Star is Born Judge 2

Han Seung-yun

A Star is Born Judge 3

Chung Ye-jin

Jeju Girl

Song Min-soo

Chief Lee's Entourage

Kim Seung-woo

Production Control Room's Employee

Jang Min-jae

Dr. Baek's Driver (Flashback)

Kwon Yong-seok

Guard (Epilogue)

Lee Kang-gon

Middle-Aged Man

Choi Hyeon-jong

Male Producer / Man

Kim Eun-yeong

Female Producer

Seo Yeong-hee

Director Go's Wife

Baek Hyeon-min

Director Go's Son

Lee Ha-young

Director Go's Daughter

Kim Gi-jeong

Man

Kim Gwan-soo

Man

Shin Jae-min

Man

Kim Chan-wook

Man

Kwon Hyuk-sung

Man

Cho Young-gil

Man

Park Geun-yeon

Man

Lee Seon-jae

Child (Flashback)

Kim Eung-cheon

Child (Flashback)

Jeong Ji-min

Child (Flashback)

Sin So-yool

Child (Flashback)

Kim Hae-seung

Child (Flashback)

Lee Chae-hyeon

Child (Flashback)

Jeon Ah-yeon

Child (Flashback)

Jo Soo-bin

Child (Flashback)

Kim Gi-hoon

Child (Flashback)

Park Si-hyeon

Child (Flashback)

Lee Na-rim

Child (Flashback)

Yoon In-hye

Child (Flashback)

Kim Woo-joo

Child (Flashback)

Song Nae-so-ri

Child (Flashback)

Kim Yeong-min

Researcher in Cleanroom Suit

Jeon Jeong-gyu

Researcher in Cleanroom Suit

Park Sang-hyeon

Researcher in Cleanroom Suit

Shin Tae-hwan

A Star is Born MC

Jeong Seung-chae

A Star is Born Participant

Ahn Jeong-hyeon

A Star is Born Participant

Park Bool-moo

A Star is Born Participant

Park Si-an

A Star is Born Participant

Kim Jong-beom

A Star is Born Participant

Lee In-seon

A Star is Born Participant

Kim Rin

A Star is Born Participant

Lee Hye-seong

A Star is Born Participant

Sin Geon-ho

A Star is Born Participant

Kim Yeong-won

A Star is Born Participant

Kim Seo-kyeong

A Star is Born Participant

Kwon Min-seon

A Star is Born Participant

Kim Soo-hyeon

A Star is Born Participant

Lee Soo-an

Young Myung-hee

Lee Ki-young

Chief Lee

Kwon Tae-won

Director Go