나는 누구인가. 프랭크는 타겟을 제거하며 자신의 과거를 떠올린다. 미현의 통제에 봉석은 억눌린 감정을 분출한다.
| Name | Type | Role | |
|---|---|---|---|
| Kang Full | Writer | ||
| Shim Dal-ki | Guest Star | Shin Hye-won | |
| Yoon Sa-bong | Guest Star | Janitress | |
| Kim Shin-rock | Guest Star | Yeo Woon-kyu | |
| Park Han-Sol | Guest Star | Han Byul | |
| Park Hee-soon | Guest Star | Kim Deok-yoon | |
| Shin Jae-hwi | Guest Star | Bang Ki-soo | |
| Son Byung-ho | Guest Star | Head of Security Department | |
| Park Bo-kyung | Guest Star | Shin Yoon-young | |
| Jeon Seok-ho | Guest Star | Yoon Sung-wook | |
| Park In-je | Director |