한국이를 구하기 위해 주어진 단 1시간의 생방송! 프레데터의 살인 이유를 밝혀내기 위해 고군분투 하는 사이, 어디론가 향하는 바름의 은밀한 동선! 방송 중 피해자들에 관해 쏟아지는 제보와 프레데터의 목격담! 이로 인해 조금씩 수사가 진전을 보이며 용의자를 특정한 무치! 하지만 사건은 예상치 못한 방향으로 흘러가는데..!
| Name | Type | Role | |
|---|---|---|---|
| Kim Ha-Eon | Guest Star | Kim Han-Kook | |
| Kim Min-kyung | Guest Star | Song Soo Jung's mother | |
| Kim Hyo-Gyeong | Guest Star | Byun Min-Ji | |
| Kim Joo-Ah | Guest Star | Orphanage Employee | |
| Park Hye-Na | Guest Star | Byun Soon-Young | |
| Byun Yoon-Jeong | Guest Star | Mrs. Oh | |
| Chun Jung-Ha | Guest Star | Na Chi-Kook's Mom | |
| Kim Yeon-hee | Guest Star | Grocery Store Employee | |
| Choi Yi-Sun | Guest Star | Motorcycle Deliveryman | |
| Seon Ah Rin | Guest Star | Jo Mi-Jung | |
| Kim Sung-kyung | Guest Star | Fact Check Host | |
| Bo Ra-Na | Guest Star | Hostess Bar Manager | |
| Yang Ha-Yoon | Guest Star | Min-Jung | |
| Cherish Maningat | Guest Star | Kim Han-Kook's Mom | |
| Jo Wan-ki | Guest Star | Reporter Yang | |
| Uhm Hye-Soo | Guest Star | Police Officer | |
| Kang Ro-Chae | Guest Star | Park Hye Won | |
| Oh Min-Joon | Guest Star | Bully | |
| Park Ki-Ryoong | Guest Star | OBN News Chief | |
| Kyung Soo-jin | Actor | Choi Hong-Ju | |
| Kim Young-jae | Actor | Go Moo-Won | |
| Lee Hee-joon | Actor | Go Moo Chi | |
| Kwon Hwa-woon | Actor | Sung Yo Han | |
| Hyun Bong-sik | Actor | Bok Ho Nam | |
| Lee Seo-jun | Actor | Na Chi Kook | |
| Park Ju-hyun | Actor | Oh Bong-Yi | |
| Woo Ji-hyun | Actor | Koo Dong Koo |