Detective Investigation Files III
 |
| Detective Investigation Files III | |
|---|---|
| Genre | Police procedural drama |
| Starring | Michael Tao Joey Leung Kenix Kwok Margaret Chung Law Koon Lan Liu Kai-chi Monica Chan Winnie Yeung |
| Opening theme | 難得情真 by Edmond Leung |
| Country of origin | Hong Kong |
| Original language | Cantonese |
| No. of episodes | 40 |
| Production | |
| Producer | Poon Ka Tak |
| Running time | approx. 45 minutes |
| Original release | |
| Network | Television Broadcasts Limited |
| Release | September 1 – October 24, 1997 |
Detective Investigation Files III is a 1997 TVB production. It was a direct sequel to Detective Investigation Files II and the third installment in the Detective Investigation Files Series. The series ran for 40 episodes. Only Michael Tao, Joey Leung and Kenix Kwok returned to reprise their roles from the previous two installments. Louisa So, Amy Kwok, Joseph Lee and Sammi Cheng did not participate in this series; instead they were replaced by Margaret Chung, Law Koon Lan, Liu Kai-chi, Monica Chan and Winnie Yeung who portrayed new characters. This installment featured 10 cases.
Cast
Main Cast
| Actor | Role | Description |
| Michael Tao | Cheung Dai Yung | 張Sir、勇哥、大勇 Detective Jessie's husband Lee Chung Yi's best friend Pak Yan Tung's ex-boyfriend |
| Kenix Kwok | Ko Jit (Jessie) | 「細妹」 Reporter Cheung Dai Yung's wife Deborah's niece |
| Joey Leung | Lee Chung Yi | 義仔、師兄 Detective Cheung Dai Yung's best friend and subordinate Sasa's ex-boyfriend Lee Sze Lung's boyfriend |
| Margaret Chung | Lee Sze Lung | 「o靚妹」 Detective Cheung Dai Yung's subordinate Lee Chung Yi's girlfriend Harvey's best friend Former girl guide |
| Liu Kai-chi | Chak Wing Tin | 田哥 Experienced crime scene investigator Cheung Dai Yung's subordinate Deborah's lover, later husband Grievously hurt by Johnson in episode 38 |
| Monica Chan | Pak Yan Tung | Ex insurance manager Cheung Dai Yung's classmate and ex-girlfriend Poisoned to death by Johnson in episode 37 |
| Law Koon Lan | Chu Sau Kwan | Deborah、筠姐 Jessie's aunt Chak Wing Tin's ex lover, later wife Johnson's ex-girlfriend |
| Winnie Yeung | Sze To Sasa | Lee Chung Yi's ex-girlfriend Former girl guide Appeared in episode 14 Left Hong Kong in episode 40 |
Cases
Case 1: The Other Jessie (Episode 1-5)
| Actor | Role | Description |
| Patrick Tam | Ho Chi Wan | Stephen、何医生 Doctor Ning Qian Hua's boyfriend Murdered Tony and tried to murder Jessie Sentenced to death in episode 5 (Villain) |
| Kenix Kwok | Ko Jit | See Main Cast |
| Ning Qian Hua | Vivian、阿倩 Originally from Guangzhou Ho Chi Wan's girlfriend Switched identities with Jessie and escaped to Hong Kong Sentenced to death in episode 5 | |
| Eric Li | Law To Fung | Tony、羅醫生 Doctor Ho Chi Wan's friend Murdered by Ho Chi Wan in Beijing in episode 1 |
Case 2: Rape and Revenge (Episode 6-9)
| Actor | Role | Description |
| Karen Tong | Cheng So Sam | Lui Sai Ho's wife Lui Jin Mei's mother Deceased |
| Lui Jin Mei | Lui Sai Ho's step daughter Raped by Lui Sai Ho Killed Lui Sai Ho in episode 6 Committed suicide in episode 9 (Villain) | |
| Lau Kong | Lui Sai Ho | Lai Jin Mei's step father Raped Lui Jin Mei Killed by Lui Jin Mei in episode 6 (Villain) |
Case 3: Unexpected Murderer (Episode 10-12)
| Actor | Role | Description |
| Lisa Lui | Yu Bik Ling | 玲姐 Famous chef Deborah's rival Killed by Sam Yok Mui |
| Yeung Yuk Mui | Sam Yok Mui | Chef Killed Yu Bik Ling Arrested in episode 12 (Villain) |
Case 4: Love-hate Struggle (Episode 13-15)
| Actor | Role | Description |
| Monica Chan | Pak Yan Tung | See#Main Cast |
| Derek Kok | Hui Wai Lin | William Musician Pak Yan Tung's ex-husband Killed Choi Chi Kim in self-defense in episode 13 Died in accident in episode 15 (Semi-villain) |
| Edward Mok | Choi Chi Kim | Killed by William in episode 13 |
Case 5: Butterfly Triggers (Episode 16-18)
| Actor | Role | Description |
| Timmy Ho | Ching Sau Mong | 大B哥哥 Sasa's childhood friend Tried to cover Ching Sau On's murder |
| Lee Hung Kit | Ching Sau On | 大Dee Ching Sau Mong's older brother Killed Jim Chui Yi Mental patient Killed by both Wu Kin and Chan Tai in episode 19 |
| Irene Wong | Jim Chui Yi | Johnson's daughter Killed by Ching Sau On in episode 17 |
Case 6: A Furious Affair (Episode 19-23)
| Actor | Role | Description |
| Henry Lee | Chung Man Hoi | Jessie's boss Killed Harvey, Stella and tried to kill Mak Ho Hing Arrested in episode 23 (Villain) |
| May Kwong | Mak Ho Hing | Florist Chung Man Hoi's partner in crime Died in episode 23 (Villain) |
| Gabriel Harrison | Cheung Yat Fei | Harvey Photographer Cheung Dai Yung's younger brother Stella's ex-boyfriend Killed by Chung Man Hoi |
| Kan Pui Kwan | Mok Wing Hei | Stella Mok、鍾太 Chung Man Hoi's wife Harvey's ex-girlfriend Killed by Chung Man Hoi |
Case 7: Now You See Me, Now You Don't (Episode 24-27)
| Actor | Role | Description |
| Law Ho Kai | Ting Hon Cheung | Hui Chau Yi's husband Kidnapper Shot and killed by Johnson in episode 27 (Villain) |
| Cecilia Fong | Hui Chau Yi | Ting Hon Cheung's wife |
Case 8: The Charlatan Murders (Episode 28-31)
| Actor | Role | Description |
| Choi Kok Hing | Wan Ko Tin | Charlatan Pak Yan Tung's paternal grandfather Stabbed to death by Tam Chi Long |
| Chin Kar Lok | Cho Heung Tung | 向東表哥、表少教師 Pak Yan Tung's cousin Manipulated Tam Chi Long to commit the murders |
| Joe Ma | Tam Chi Long | Doctor Killed Wan Ko Tin, arrested in episode 31 (Villain) |
Case 9: The Precious Stone (Episode 32-37)
| Actor | Role | Description |
| Law Lok Lam | Fong Sung Yip | Lee Sze Lung's father Sasa's boss Vietnam war veteran Killed by Chiang Yiu |
| Eileen Yeow | Fong Nim Ching | Fong Sung Yip's youngest daughter Lee Sze Lung's younger sister Chiu King Seng's wife |
| Wong Kai Tak | Chiu King Seng | 成哥（28歲） Fong Sung Yip's son-in-law, Fong Nim Ching's husband Ho Siu Lai's lover Killed Chiang Yiu Arrested in episode 37 (Villain) |
| Angela Tong | Ho Siu Lai | Erica Chiu King Seng's lover Abetted Chiu King Seng in the murders (Villain) |
| Iwanbeo Leung | Chiang Yiu | Sculptor Lesbian Fong Sung Yip's fiance Killed Fong Sung Yip Killed by Chiu King Seng (Semi-villain) |
Case 10: Backstage Manipulator (Episode 37-40)
| Actor | Role | Description |
| Kam Hing Yin | Jim Pak Hung (Johnson) | 詹Sir Chief Inspector Jim Chui Yi's father Manipulated the events of Case 5, 7 and 9 Arrested in episode 40 (Main Villain) |
| Wilson Tsui | Wu Kin | Chak Wing Tin's good friend Killed Ching Sau On Kidnapped Fong Sung Yip and Lee Sze Lung Conspired with Chan Tai to extort Johnson Stabbed to death by Johnson (Villain) |
| Yau Man Seng | Chan Tai | Wu Kin's partner in crime Killed Ching Sau On Kidnapped Fong Sung Yip and Lee Sze Lung Conspired with Wu Kin to extort Johnson Shot and killed by Johnson (Villain) |
| Celine Ma | Helen | Wu Kin's girlfriend Shot and killed in the back by Johnson |