The Great Merchant is a 2010 South Korean historical drama starring Lee Mi-yeon, Han Jae-suk, Park Sol-mi, Ha Seok-jin, and Go Doo-shim. It aired on KBS1 from March 6 to June 13, 2010 on Saturdays and Sundays at 20:40 for 30 episodes.

Ha Seok-jin is a South Korean actor. He is best known for his roles in TV drama series such as Radiant Office (2017), Drinking Solo (2016), Shark (2013), and 4 Legendary Witches (2014), for which he received two nominations for the Excellence Award at the 2014 MBC Drama Awards and the 4th APAN Star Awards.