In the Line of Duty 4 (皇家師姐IV直擊證人) 35 years old
Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.
Credits
In the Line of Duty 4 Cast
| Name | Character |
|---|---|
| Donnie Yen He was 25, now 61 years old | as Captain Donnie Yan |
| Michael Wong He was 24, now 59 years old | as Captain Michael Wong |
| Lisa Chiao Chiao She was 46, now 81 years old | as Luk's mother |
| Liu Kai-chi He was 35, now 70 years old | as Ming |
| Yuen Shun-Yi | as Drug dealer |
| Cynthia Khan She was 25, now 61 years old | as Insp Rachel Yeung Lai-Ching |
| Yuen Yat-Choh | as Luk Wan-Ting |
| Michael Woods He was 2, 31 years old when he died | as Black fighter on rooftop/motorbike |
| Eddie Maher | as Loan Shark in Seattle |
In the Line of Duty 4 Crew
| Name | Department |
|---|---|
| Yuen Woo-ping as Martial Arts Choreographer. He was 44 (now 79) years old | Crew |
| Yuen Woo-ping as Director. He was 44 (now 79) years old | Directing |
| Yuen Shun-Yi as Martial Arts Choreographer. | Crew |
| Cheung Chi-Sing as Writer. | Writing |
| Cho Wing as Martial Arts Choreographer. | Crew |
| Stephen Shin as Writer. He was 38 (now 73) years old | Writing |
| Kim Yip as Writer. | Writing |
In the Line of Duty 4 (35 years)
- Release day: Friday, July 21, 1989
- Runtime: 94 minutes