| english title | Social Worker |
| original title | Beidou Xing |
| aka | 11 - The girl who disappeared |
| year | 1977 |
| country | Hong-Kong |
| director | Patrick TAM Ka-Ming | |
| actor | WONG Tsui-Tsi | |
| LIU Wing-Seong | ||
| WAI Yi-Yan | ||
| WAN Lau-Mei | ||
| WONG Chi-Sum | ||
| NG Tung | ||
| LO Yuen-Yan | ||
| Damian LAU - 劉松仁 | ||
| scriptwriter | Joyce CHAN Wan-Man | |
| SHU Kei | ||
| artistic director | NG Yuet-Lin | |
| Bill WONG | ||
| editor | CHOW Sui-yuen | |
| assistant director | Louis TAN Kwok Hei |
| genres | drama social |
| duration | 48' |
| production studio | TVB |
