- Nam Joo-hyuk (Gu-cheon)
- Roh Yoon-seo (Saeng-gang)
- Cho Seung-woo (The King)
- Park Soo-yeon (The Queen)
- Jang Young-nam ()
- Kwak Dong-yeon ()
The East Palace — S1E5
Episode: Episode 5
Air Date: 2026-07-17
Runtime: 46 min
Overview
Gu-cheon escapes danger with Saeng-gang's help. As the king falls ill, Gu-cheon fights the evil spirit — only for a guardian spirit to stand in his way.