Scripted series · tvN
Start-Up
The place where our story ignites.
Who's in it
Cast
The principal ensemble across the run of the series.
Suzy
Seo Dal-mi
16 eps
Nam Joo-hyuk
Nam Do-san
16 eps
Kim Seon-ho
Han Ji-pyeong
16 eps
Kang Han-na
Won In-jae
16 eps
Kim Hae-sook
Choi Won-deok
16 eps
Kim Do-wan
Kim Yong-san
16 eps
Kim Won-hae
Nam Seong-hwan
16 eps
Song Seon-mi
Cha Ah-hyun
16 eps
Yoo Su-bin
Lee Chul-san
16 eps
Seo Yi-sook
Yoon Seon-hak
16 eps
Kim Hee-jung
Park Geum-jeong
16 eps
Stephanie Lee
Jeong Sa-ha
16 eps
Cho Tae-kwan
Alex Kwon
16 eps
Uhm Hyo-seop
Won Doo-jung
16 eps
Yeo Jin-goo
Jang Young-sil (voice)
16 eps
Lee Min-ryung
Jang Yi-soo
16 eps
Song Ho-su
Lee Dae-myung
16 eps
Jang Se-hyun
Nam Cheon-ho
16 eps
Kim Min-seok
Park Dong-cheon
16 eps
Kang You-seok
Shin Hyeon
16 eps
Joo Bo-young
Shin Jeong
16 eps
Moon Dong-hyeok
Won Sang-su
16 eps
Bret Allan Lindquist
2STO employee
2 eps
Shin Dong-hoon
Investor
1 eps
Ji Seong-geun
Bus passenger
1 eps
Ahn Su-bin
Lee Min-ji
1 eps
Park Choong-seon
Il Cheung Construction & Trading manager
1 eps
Park Young-soo
Real estate agent
1 eps
Yu Mi-ran
Real estate agent
1 eps
Kim Jong-ho
SH Venture Capital employee
1 eps
Choi Yun-seol
Hotel waitress
1 eps
Bae Bo-ram
Lucca The Tea barista
1 eps
Jung Ji-hyeon
Lucca The Tea barista
1 eps
Kim Ji-in
Seo-hyun
2 eps
Yoo Seung-il
Cheon-ho's father
1 eps
Hong Boo-hyang
Cheon-ho's mother
1 eps
Kwon Ki-ju
Deliveryman
1 eps
Kwon Ban-seok
Investor
1 eps
Ita
Investor
1 eps
Lee Chang-sub
Investor
1 eps
The Nutevio profile
TV DNA
How Start-Up actually feels to watch, measured on the traits our editors track across every series.
Signature profile
Start-Up reads strongest on Character Depth, Bingeability and Humour.
How fully written and psychologically layered the ensemble is.
How hard it is to stop after one episode.
How often the series is genuinely funny, by design.
How much the series is designed to affect you.
How much each hour depends on the one before it.
How often an episode ends on a hook you can't ignore.
The sustained pressure the series keeps you under.
Visual ambition — scale, craft and set-piece filmmaking.
The scale, internal logic and texture of the world.
The story
What it's about
Young entrepreneurs aspiring to launch virtual dreams into reality compete for success and love in the cutthroat world of Korea's high-tech industry.
Where the series peaks
Best Episodes
The hours that define the show, ranked by audience response and editorial signal.
S01E02
FFF (FAMILY, FRIENDS, FOOLS)
To preserve Dal-mi's past and to support her future, Choi Won-deok asks Han Ji-pyeong to pull off an impossible task.
- Directed by Oh Choong-hwan
- Written by Park Hye-ryun
S01E01
START-UP
The spring Seo Dal-mi lost everything, Nam Do-san's letters kept her company. Fifteen years later, she needs him by her side to prove Won In-jae wrong.
- Directed by Oh Choong-hwan
- Written by Park Hye-ryun
S01E03
Angel
Ji-pyeong scrambles to transform Do-san into the man of Dal-mi's dreams. A rude awakening prompts In-jae to close one door and open another.
- Directed by Oh Choong-hwan
- Written by Park Hye-ryun
Recently aired
Latest Episodes
S01E15
MVP (Minimum Viable Product)
- Directed by Oh Choong-hwan
- Written by Park Hye-ryun
S01E14
Elevator Speech
- Directed by Oh Choong-hwan
- Written by Park Hye-ryun
Behind the series
Created by
Showrunners, creators, executive producers and the writers who set the voice of the series.
The craft
Key Crew
Directing, writing, production, camera, music and editing.
Writing
- Park Hye-ryunWriter
Direction
- Oh Choong-hwanDirector
Where to watch
Streaming
Availability verified against regional listings.
- NetflixStreaming
- Netflix Standard with AdsStreaming
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Never stop watching
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