Arang and the Magistrate (; also known as Tale of Arang) is a 2012 South Korean historical television drama, starring Lee Joon-gi, Shin Min-ah and Yeon Woo-jin.
 The period horror-romance is based on the folklore of Arang, who died unjustly and returns as a ghost in order to reveal the circumstances surrounding her death.
 It aired on MBC from August 15 to October 18, 2012 on Wednesdays and Thursdays at 21:55 for 20 episodes.
The Great Seer (, also known as The Great Geomancer) is a 2012 South Korean historical television series, starring Ji Sung, Ji Jin-hee, Song Chang-eui, Kim So-yeon and Lee Yoon-ji.
 Set during the turbulent decline of Goryeo, it is about practicers of divination and the power that they hold over the fate of the country.
 It aired on SBS from October 10, 2012 to February 7, 2013 on Wednesdays and Thursdays at 21:55 for 35 episodes.
Dr. Jin () is a 2012 South Korean historical television drama series, starring Song Seung-heon in the title role of Dr. Jin, a 21st-century neurosurgeon who travels back in time to the Joseon Dynasty.
 Also starring Park Min-young, Lee Beom-soo, Kim Jaejoong of JYJ and Lee So-yeon, it aired on MBC from May 26 to August 12, 2012 on Saturdays and Sundays at 21:50 for 22 episodes.
Masquerade (; lit.
 Gwanghae: The Man Who Became King) is a 2012 South Korean historical film starring Lee Byung-hun in dual roles as the bizarre King Gwanghae and the humble acrobat Ha-sun, who stands in for the monarch when he faces the threat of being poisoned.
I Am the King (, also known as I Am a King) is a 2012 South Korean historical comedy film, starring Ju Ji-hoon, Park Yeong-gyu, Baek Yoon-sik, Byun Hee-bong and Kim Su-ro.
 Inspired by Mark Twain's novel "The Prince and the Pauper", the film is set in the Joseon Dynasty with Ju playing the dual role of a king and a beggar.
 It was released on August 8, 2012 and ran for 120 minutes.
Chun Bo-geun (born August 23, 2002) is a South Korean actor.
 He first garnered attention in a KTF commercial in 2008, then began his career as a child actor in 2009.
 Chun has starred in the films "Hello Ghost" (2010) and "The Grand Heist" (2012), as well as the television series "Wish Upon a Star" (2010) and "The Queen's Classroom" (2013).
Cha Tae-hyun (born March 25, 1976) is a South Korean actor, singer, television personality radio DJ and director.
 He is best known for his lead roles in the box-office hit comedies "My Sassy Girl" (2001), "Scandal Makers" (2008) and "Hello Ghost" (2010) as well as the television series "Jeon Woo-chi" (2012) and "The Producers" (2015).
 He made his directorial debut with the variety-drama "Hit the Top" (2017), in which he also stars.
The Grand Heist (; lit.
 "Gone With the Wind") is a 2012 South Korean historical comedy film about a gang of 11 thieves who try to steal ice blocks from the royal storage, "Seobingo", during the last years of the Joseon era.
 It was released on August 8, 2012.
Hello Ghost () is a 2010 South Korean comedy film about a man's multiple failed suicide attempts.
 After the most recent one, he discovers he can see a family of ghosts.
 The ghosts agree to leave him alone under the condition that he fulfill their requests.
Kim Young-tak (born 1976) is a South Korean film director and screenwriter.
 Kim wrote and directed the comedy film "Hello Ghost" (2010).
 The comedy was a local hit - the 9th highest grossing Korean film in 2010, and won him the Best New Director (Film) at the 47th Baeksang Arts Awards in 2011.

Question: Where was the actor who starred in "Hello Ghost" and a 2012 South Korean historical comedy film about a gang of 11 thieves from?
Answer: South Korea