High School King of Savvy Ep04 (2014) (K-drama)

PLOT
Lee Min-seok is a high school student and varsity ice hockey player. He and his older brother Hyung-seok look very much alike, despite their nine-year age gap. When he gets a mysterious phone call from Hyung-seok telling him to impersonate his brother at the latter's new job, Min-seok is forced to pretend to be a high-ranking executive at an IT conglomerate. Living a double life while unaware of the rules within the Korean workplace, Min-seok learns how to navigate his way in the world of adults with the help of Jung Soo-young, a temp with an odd personality whom he eventually falls in love with.

CAST

Main Cast
Seo In Guk as Lee Min Suk (18)
Seo Dong Hyun as young Min Suk
Lee Ha Na as Jung Soo Young (27)
Lee Yul Eum as Jung Yoo Ah (18)
Lee Soo Hyuk as Yoo Jin Woo (30)

People around Lee Min Suk
Seo In Guk as Lee Hyung Suk (28, Min Suk's older brother)
Oh Kwang Rok as Choi Jang Ho (late 50s, Min Suk's adoptive father)
Kwon Sung Duk (권성덕) as Choi Man Suk (78, Jang Ho's father)

People around Yoo Jin Woo
Han Jin Hee as Yoo Jae Gook (72, president of Comfo Inc.)
Song Young Kyu as Nam Sang Goo (59, director of Comfo Inc.)

Comfo Inc.
Jo Han Chul as Kim Chang Soo (40)
Kim Won Hae (김원해) as Han Young Suk (58)
Park Soo Young (박수영) as Yoon Dong Jae (40s)
Choi Phillip as Park Heung Bae (30s)
Lee Joo Seung as Ji Dae Han (20s)
Lee Ah Rin (이아린) as Han Sang Hee (33)
Shin Hye Sun (신혜선) as Go Yoon Joo (29)
Chun Yi Seul (천이슬) as Yoon Do Ji (28)

Poongjin High School
Kang Ki Young (강기영) as Jo Duk Hwan
Lee Tae Hwan as Oh Tae Suk