Full cast of Start-Up

Suzy

Seo Dal-mi

16 episodes

Nam Joo-hyuk

Nam Do-san

16 episodes

Kim Seon-ho

Han Ji-pyeong

16 episodes

Kang Han-na

Won In-jae

16 episodes

Kim Hae-sook

Choi Won-deok

16 episodes

Kim Do-wan

Kim Yong-san

16 episodes

Kim Won-hae

Nam Seong-hwan

16 episodes

Song Sun-mi

Cha Ah-hyun

16 episodes

Yoo Su-bin

Lee Chul-san

16 episodes

Seo Yi-sook

Yoon Seon-hak

16 episodes

Kim Hee-jung

Park Geum-jeong

16 episodes

Stephanie Lee

Jeong Sa-ha

16 episodes

Cho Tae-kwan

Alex Kwon

16 episodes

Uhm Hyo-seop

Won Doo-jung

16 episodes

Yeo Jin-goo

Jang Young-sil (voice)

16 episodes

Lee Min-ryung

Jang Yi-soo

16 episodes

Song Ho-su

Lee Dae-myung

16 episodes

Jang Se-hyun

Nam Cheon-ho

16 episodes

Kim Min-seok

Park Dong-cheon

16 episodes

Kang You-seok

Shin Hyeon

16 episodes

Joo Bo-young

Shin Jeong

16 episodes

Moon Dong-hyeok

Won Sang-su

16 episodes

Heo Jung-eun

Seo Dal-mi (young)

4 episodes

Kim Kang-hoon

Nam Do-san (young)

4 episodes

Jo Ah-ra

Deputy Manager Jung

4 episodes

Kim Ju-hun

Seo Cheong-myeong

3 episodes

Bret Allan Lindquist

2STO employee

2 episodes

Kim Ji-in

Seo-hyun

2 episodes

Lee Re

Won In-jae (young)

2 episodes

Nam Da-reum

Han Ji-pyeong (young)

2 episodes

Lee Da-hae

Start-up CEO

2 episodes

Jeon Jun-woo

2STO employee

2 episodes

Jeong Joon-hwan

Hackathon participant

2 episodes

Yoon Seo-hyun

Lucca The Tea HR manager

2 episodes

Oh Young-mee

Student's mother

2 episodes

Park Chan-ho

Park Chan-ho

2 episodes

Lee Dong-hee

Oh Yeon-ho

2 episodes

Yang Dae-hyeok

Reporter Choi Yang-won

2 episodes

Shin Dong-hoon

Investor

1 episode

Ji Seong-geun

Bus passenger

1 episode

Ahn Su-bin

Lee Min-ji

1 episode

Park Choong-seon

Il Cheung Construction & Trading manager

1 episode

Park Young-soo

Real estate agent

1 episode

Yu Mi-ran

Real estate agent

1 episode

Kim Jong-ho

SH Venture Capital employee

1 episode

Choi Yun-seol

Hotel waitress

1 episode

Bae Bo-ram

Lucca The Tea barista

1 episode

Jung Ji-hyeon

Lucca The Tea barista

1 episode

Yoo Seung-il

Cheon-ho's father

1 episode

Hong Boo-hyang

Cheon-ho's mother

1 episode

Kwon Ki-ju

Deliveryman

1 episode

Kwon Ban-seok

Investor

1 episode

Ita

Investor

1 episode

Lee Chang-sub

Investor

1 episode

Ko Han-min

Ko Eun-hyun

1 episode

Kim Chae-hyun

Hackathon CEO

1 episode

Bae Yu-ri

Hackathon CEO

1 episode

Jang Young-hyeon

Hackathon CEO

1 episode

Kim Seong-yong

University professor

1 episode

Seol Chang-hee

Cheol-san's co-worker

1 episode

Park Seong-chan

Doctor

1 episode

Moon Se-yoon

Security guard

1 episode

Im Seong-mi

Blind woman

1 episode

Gu Bon-jin

Detective

1 episode

Bae Hae-seon

Lee Hye-won

1 episode

Oh Kyu-taek

Park cleaning man

1 episode

An Young-mi

Waitress

1 episode

Lee Bo-young

Woman at pub

1 episode

Jung Wook-jin

Kim Dong-su

1 episode

Kim Ji-su

Flight attendant

1 episode

Jang Hae-song

Insurance salesman

1 episode

Lim Seung-beom

Investor

1 episode

Jeon Yeo-jin

Investor

1 episode

Park Sang-hyeon

Magazine staff

1 episode

Kim Sung-yeol

Photographer

1 episode

Hong Seong-gwan

Start-up guy

1 episode