Starring
Kim BumPark Sung-woongYoon So-yiLee Won-jongKim Tae-hoonLim Hyun-sung
Hidden Identity Episode Ratings Heatmap
Not enough episode ratings on IMDb yet. The heatmap and charts will appear here once more episodes get rated.
| Avg | E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | E9 | E10 | E11 | E12 | E13 | E14 | E15 | E16 | ||
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| S1 |
About
The heat is on in Investigation 5, an undercover police unit specializing in thwarting violent crimes. Led by Superintendent Jang Moon Won, this team of young and elite officers, including Cha Gun Woo, Jang Min Joo, and Lee Won Jong, assume new identities and infiltrate dangerous crime syndicates. With only their wits and poker faces at their disposal, can the team complete their missions without blowing their covers in hostile territory?
All Seasons
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Season 12015
—0167h 55m
| Ep | Title | Rating | Yours | Votes | Runtime | |
|---|---|---|---|---|---|---|
| ▶ | 1 | Episode #1.1 | — | — | — | |
| ▶ | 2 | Episode #1.2 | — | — | — | |
| ▶ | 3 | Episode #1.3 | — | — | — | |
| ▶ | 4 | Episode #1.4 | — | — | — | |
| ▶ | 5 | Episode #1.5 | — | — | 65 min | |
| ▶ | 6 | Episode #1.6 | — | — | — | |
| ▶ | 7 | Episode #1.7 | — | — | — | |
| ▶ | 8 | Episode #1.8 | — | — | 43 min | |
| ▶ | 9 | Episode #1.9 | — | — | 59 min | |
| ▶ | 10 | Episode #1.10 | — | — | 62 min | |
| ▶ | 11 | Episode #1.11 | — | — | 61 min | |
| ▶ | 12 | Episode #1.12 | — | — | — | |
| ▶ | 13 | Episode #1.13 | — | — | — | |
| ▶ | 14 | Episode #1.14 | — | — | 59 min | |
| ▶ | 15 | Episode #1.15 | — | — | 65 min | |
| ▶ | 16 | Episode #1.16 | — | — | 61 min |
Full Cast & Crew
Cast
Kim Bum Cha Gun-woo
Park Sung-woong Jang Moo-won
Yoon So-yi Min-joo
Lee Won-jong Choi Tae-pyeong
Kim Tae-hoon Min Tae-in
Lim Hyun-sung Jin Deok-hoo
Lee Joo-eun Ha Yoo-mi (princess mermaid)
Lee Min-ji Yoon-soo
Seo Eun-ah Seo Eun-ah
Eom Soo-jeong Park Min-yeong (Prosecutor)
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