Yellowthread Street Key Witness (1990– ) Online
- Original Title :
- Key Witness
- Genre :
- TV Episode / Action / Crime / Mystery / Thriller
- Year :
- 1990–
- Directror :
- Syd Macartney
- Cast :
- Ray Lonnen,Doreen Chan,Bruce Payne
- Writer :
- Robert Hammond
- Type :
- TV Episode
- Time :
- 52min
- Rating :
- 6.1/10
| Episode credited cast: | |||
 | Ray Lonnen | - | Chief Insp. Alex Vale |
 | Doreen Chan | - | Det. Jackie Wu |
 | Bruce Payne | - | Det. Nick Eden |
 | Robert Taylor | - | Det. Peter Marenta |
| Rest of cast listed alphabetically: | |||
| Paul Carr | - | Billy |
| Julia Chong | - | Hicks' girlfriend |
 | Michael Chow | - | Lui |
 | Bill McKinney | - | Hicks |
| Ng Ping Shan | - | Hooker |
| Geoff Taylor | - | Miller |
| Billie Wells | - | Mrs. Miller |
| Chang Wai Ying | - | Hooker |