It's time to grow up.
Start-Up
DramaActionComedy
Two boys are becoming real adults during a turbulent time as they experience a world that doesn't go their way.
Top Cast
Don Lee
Geo-seok
Park Jeong-min
Taek-il
Jung Hae-in
Sang-pil
Yum Jung-ah
Jeong-hye
Choi Sung-eun
Gyeong-ju
Kim Jong-soo
Mr. Gong
Yoon Kyung-ho
Kim Dong-hwa
Kim Kyung-duk
Bae Gu-man
Kim Min-jae
Kwak Seong-mu
Goh Doo-shim
Sang-pil's Grandmother
Park Hae-joon
Tae-seong
Lee Hae-woon
Moon Seong-hyeon
Sung Hyuk
Kang Dae-cheon
Seung Eui-yeol
Cook
Bang Eun-jeong
Go-eun
Heo Joon-seok
Dong Dae-mun
Kwon Hyeok-beom
Seok-goo
Baek Joo-hee
Ticket Office Employee
Kim Mi-hwa
Soup Restaurant Employee
Cha Woo-jin
Detective
