Jang Tae-sang

 is a character in the Korean horror historical series Gyeongseong Creature, who is portrayed by Park Seo-jun.

Biography
Jang Tae-sang is the wealthiest man in Gyeongseong and the Master of the city's biggest pawn shop, the House of Golden Treasure. Anyone who needs anything in the Bonjeong district, like money, objects, or even people's lives, must go through him. Tae-sang helps Yukiko Maeda, daughter of Brigadier General Maeda and the wife of Commissioner Ishikawa, obtain precious goods. Tae-sang's position allows him to know a lot about what goes on in the city, as he hears gossip from all corners of the city, from rich families to the military.

Tae-sang puts money before justice, however, all that changes. Tae-sang is under threat from the Japanese police commissioner Ishikawa. Tae-sang is tasked with finding the Commissioner Ishikawa's beloved mistress, who disappeared without a trace. He crosses paths with the Yoon Chae-ok, a famous detective, while investigating a series of missing person cases. They make a deal to help each other in their respective missions. Together, they unveil a dangerous plot. Tae-sang, Yoon Chae-ok and her father Yoon Jung-won infiltrate Ongseong Hospital in search of clues.

Appearances

 * Gyeongseong Creature