So Ji Sub stars in the K-drama 'Agent Kim Reactivated' alongside Choi Dae Hoon, Yoon Kyung Ho, and Joo Sang Wook, portraying a high-stakes spy thriller with intense action and emotional depth. The cast has been highlighted for their on-screen chemistry and dedication, with scenes including dramatic confrontations and a final showdown. They also recently participated in a promotional trip to Guam as part of a reward vacation.