Cast & crew
Tell Me Something (1999)
Directed by Chang Youn-hyun
Cast
| Ahn Suk-hwan | Prosecutor Gu |
| Gil Eun-hye | Young Soo-yeon |
| Han Suk-kyu | Detective Cho |
| Shim Eun-ha | Chae Su-yeon |
| Jang Hang-seon | Detective Oh |
| Yu Jun-sang | Kim Ki-yeon |
| Yum Jung-ah | Oh Seung-min |
| Kim Jung-hak | Detective Lee |
| Park Cheol-ho | Section Chief Yoo |
| Lee Hwan-jun | Detective Kim |
| Kwon Tae-won | Chae Yong-hoon |
| Lee Dae-ro | Chief of Police |
| Maeng Bong-hak | Museum Colleague |
| Kwon Nam-hee | Soo-yeon's Mother |
| Park Jeong-mi | Museum Colleague |
| Park Jun-hwa | Kid |
| Lee Jung-hyun | Conscripted Police Officer |
Crew
| Kim Min-su | Stunts |
| Choe Kwi-deok | Executive Producer |
| Chang Youn-hyun | Author |
| Chang Youn-hyun | Producer |
| Chang Youn-hyun | Director |
| Kim Eun-jeong | Author |
| Ku Bon-han | Producer |
| Shim Hye-weon | Author |
| In Eun-ah | Author |
| Kim Sang-bum | Editor |
| Kim Sung-bok | Director of Photography |
| Kong Su-chang | Author |
| Bang Jun-seok | Original Music Composer |
| Yu Jae-gwang | Sound Effects |
| Cho Young-wuk | Original Music Composer |
| Jeong Gu-ho | Art Direction |