- Ryu Jun-yeol (Je Moon-jae / The Rat)
- Sul Kyung-gu (Noja)
- Lee Kyoo-hyung (Sun-yong)
- Kim Seung-oh (Seung-gyu)
- Hyun Bong-sik (Myung-su)
- Moo Jin-sung (Son Su-hyun)
Mousetrap — S1E4
Episode: Episode 4
Air Date: 2026-08-28
Runtime: 58 min
Overview
Moon-jae suspects The Rat may be a figure from his past. Following his newly recovered memory, he and Noja head to the island where the man once stayed.