High School King of Savvy

High School King of Savvy is a 2014 South Korean television series starring Seo In-guk, Lee Ha-na, Lee Soo-hyuk, and Lee Yul-eum. It aired on tvN from June 16 to August 11, 2014, on Mondays and Tuesdays at 23:00 (KST) for 17 episodes.

Synopsis
Lee Min-suk (Seo In-guk) is a high school student and varsity ice hockey player. He and his older brother Hyung-suk look very much alike, despite their nine-year age gap. When he gets a mysterious phone call from Hyung-suk telling him to impersonate his brother at the latter's new job, Min-suk 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-suk learns how to navigate his way in the world of adults with the help of Jung Soo-young (Lee Ha-na), a temp with an odd personality whom he eventually falls in love with.

Main

 * Seo In-guk as Lee Min-suk / Lee Hyung-suk
 * Seo Dong-hyun as young Lee Min-suk
 * Lee Min-suk is 18 years old high school student, who is impersonating his brother Lee Hyung-suk (28 years old) at the latter's new job as director of Retail Team at Comfo company.


 * Lee Ha-na as Jung Soo-young
 * Contract employee of Retail Team at Comfo company, later Retail Team's director's secretary, 28 years old.


 * Lee Soo-hyuk as Yoo Jin-woo
 * Director of Project Team at Comfo company, illegitimate son of company's chairman, 30 years old.


 * Lee Yul-eum as Jung Yoo-ah
 * Jung Soo-young's sister, 18-year old high school student.

People around Lee Min-suk

 * Oh Kwang-rok as Choi Jang-ho, Lee Min-suk's and Lee Hyung-suk adoptive father
 * Kwon Sung-duk as Choi Man-suk, Lee Min-suk's and Lee Hyung-suk adoptive grandfather

People at Poong Jin High School

 * Kang Ki-young as Jo Duk-hwan, Lee Min-suk's friend and classmate
 * Lee Tae-hwan as Oh Tae-suk, Lee Min-suk's friend and classmate
 * Kim Seung-hoon as Kim Dae-chul, Lee Min-suk's ice hockey coach
 * Ji Yoon-ho as Park Ki-hoon, Lee Min-suk's senior in ice hockey team

People at Comfo company

 * Han Jin-hee as Yoo Jae-guk, chairman of Comfo company
 * Song Young-kyu as Nam Sang-goo, director of Comfo company
 * Jo Han-chul as Kim Chang-soo, team leader of Retail Team
 * Kim Won-hae as Han Young-suk, director of Comfo company
 * Park Soo-young as Yoon Dong-jae, assistant manager of Retail Team
 * Choi Phillip as Park Heung-bae, employee of Retail Team
 * Lee Joo-seung as Ji Dae-han, employee of Retail Team
 * Lee Ah-rin as Han Sang-hee, employee of Retail Team
 * Shin Hye-sun as Go Yoon-joo, employee of Retail Team
 * Chun Yi-seul as Yoon Do-ji, employee of Retail Team

Special appearances

 * Yoon Yoo-sun as Yoo Jin-woo's mother
 * Jang Se-hyun as Yoo Jin-woo's friend
 * Min Ji-ah as Jung Soo-young's hometown friend
 * Shim Hyung-tak as a busy boyfriend
 * Lee Chung-ah as attractive girl
 * Park Hee-von as contract girl
 * Hana as Park Jin-joo
 * Yein as Lee Bit-na

Production
The first script reading was held on April 25, 2014, at the CJ E&M Centre in Sangam-dong, Seoul, South Korea. Filming commenced in early May 2014.

Seo trained with the Kwangwoon University hockey team for two months in preparation for his role as an ice hockey player.

On July 22, 2014, it was announced that the series would be extended by one episode, and a special broadcast would be aired following the end of the 17 episodes.

Ratings

 * In this table, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
 * N/A denotes that the rating is not known.


 * This drama airs on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).

International broadcast

 * tvN Asia
 * 🇹🇭 Thailand - Workpoint TV: starting February 1, 2015
 * 🇹🇼 Taiwan - GTV: starting May 29, 2015
 * 🇲🇾 Malaysia - Tv9: starting February 16, 2016
 * 🇬🇭 Ghana - Joy Prime