He'll Come Back Someday S01E02
Nam Sin goes to Czech Republic to find his mother, Oh Laura. Oh Laura goes to the market with Namsin. At the market, both Nam Sin and Namsin, the robot, are shocked to see each other. Meanwhile, Seo Jong Gil orders a man to assault Nam Sin to get rid of him and take PK group for himself.
Series Cast

Seo Kang-joon
Nam Shin / Nam Shin III

Gong Seung-yeon
Kang So-Bong

Lee Jun-hyuk
Ji Young-Hoon

Park Hwan-Hee
Seo Ye-Na

Kim Sung-ryung
Oh Ro-Ra

Yu Oh-seong
Seo Jong-Gil

Park Young-kyu
Nam Gun-Ho

Choi Deok-moon
David

Kim Hye-eun
Nam Ho-Yeon

Kim Won-hae
Kang Jae-Sik

Kim Hyun-sook
Reporter Jo

Oh Hee-jun
Jo In-Tae

Cha Yeob
RoboCop

Chae Dong-hyeon
Ko Chang-Jo

Cha In-Ha
Hwang Ji-Yong

Cho Jae-ryong
Secretary Park

Choi Byung-mo
Choi Sang-Guk

Seo Eun-Yool
No Hee Dong

Son Jin-hwan
Dr. Kim Young Ho

Oh Joo-eun
Team Lead Yeo

Oh Eui-sik
Cha Hyun Jun

Choi Dae-hoon
[Head Bodyguard]

Park Bo-Mi
PK group bodyguard

Oh Han-kyul
Nam Shin [Young] / A.I. robot Nam Shin I

Lee Joo-Chan
Nam Shin [Teenager] / A.I. robot Nam Shin II