Actor Park Yoon-ho will appear in tvN’s new weekend drama ‘Unknown Seoul.’ ‘Unknown Seoul’ is a romantic growth drama where twin sisters, who are completely different except for their faces, swap lives. Park Yoon-ho will play the role of Lee Ho-soo, the male lead’s high school self. Lee Ho-soo is a top lawyer at a large law firm with a handsome appearance and exceptional abilities, but he carries deep scars from a past incident. Park Yoon-ho is expected to add depth to the character by delicately expressing Lee Ho-soo’s hidden pain and growth process. ‘Unknown Seoul’ will premiere on the 24th at 9:20 PM.