| english title | The Wesley's Mysterious Files |
| original title | 衛斯理藍血人 |
| year | 2002 |
| country | Hong-Kong |
| director | Andrew LAU Wai-Keung - 劉偉強 | |
actor | Andy LAU Tak-Wah - 劉德華 | |
| WONG Jing - 王晶 | ||
| Patrick LUNG Kong | ||
| Samuel PANG King-Chi | ||
| Mark CHENG Ho-Nam - 鄭浩南 | ||
| Almen WONG - 黃佩霞 | ||
| Roy CHEUNG Yiu-Yeung - 張耀揚 | ||
| CHIU Man-Cheuk - 趙文卓 | ||
| HSU Chi - 舒淇 | ||
| Rosamund KWAN Chi-Lam - 關之琳 | ||
| producer | WONG Jing - 王晶 | |
| Tiffany CHEN Ming-Yin | ||
| action director | Sam WONG Ming Sing | |
| composer | CHAN Kwong-Wing - 陳光榮 | |
| production designer | James CHOO Sung-Pong | |
| artistic director | James CHOO Sung-Pong | |
| cinematographer | KO Chiu-Lam |
| genres | fantasy |
| duration | 1h27 |
| production studio | Chinastar |
| classification | Hong-Kong:  |
Wesley (Andy Lau) is a secret agent for on organization related to aliens. He meets a girl (Rosamund Kwan) who happens to be an alien from the Blue Blood Planet. Besides a couple of aliens from another race arrive on earth to execute the Blue Blood Being.
