# Best Selling Secrets

Best Selling Secrets (Traditional Chinese: 同事三分親) is a TVB modern sitcom series broadcast from March 2007 to August 2008.
The sitcom is about office politics in an advertisement company, as well as family and romantic relationships amongst the characters.

## Synopsis

Wong Ka-Nam (Esther Kwan) disappeared to the United States, leaving behind her son and husband in Hong Kong. When her husband dies in an airplane accident looking for her, Wong Ka-Nam's son, Luk Chit (Vin Choi) is taken into the custody of her mother-in-law, Ng Hang (Elaine Jin). After eighteen long years, Wong Ka-Nam wishes to see her son again and returns to Hong Kong. However, she is met with adamant resistance from her mother-in-law, who views Ka-Nam as bad luck, blaming her for the death of her son. Highly protective of her grandson and fearing that Wong Ka-Nam will attempt to take him away, Ka Nam's mother-in-law does everything in her power to keep mother and son apart.
However Wong Ka-Nam is ironically assisted by her own son, who befriends her and secures her office job in his advertising agency. Most of story involves comedic and complex dynamics of office and family politics between rivals, friendship and romance within the office and household, while in the midst of Wong Ka-Nam watching over her son.

## Cast
### Main cast

| Cast | Role | Description |
| Esther Kwan | Wong Ka-Nam (Wong Fa) 黃家嵐 (黃花) | Xing (形) Advertising Agency Consultant Luk Chit's mother. Yin Wai-Sun's girlfriend. Ng Han's daughter-in-law. |
| Vin Choi (蔡淇俊) | Luk Chit 陸哲 | Xing (形) Advertising Agency Photographer Wong Ka-Nam's son. Ho Tung-Tung's boyfriend. |
| Elaine Jin | Ng Hang 伍恆 | Tai Chi Master Luk Chit's grandmother. Wong Ka-Nam's mother-in-law. Tin Joi-Shan's girlfriend. |
| Bill Chan | Tin Joi-Shan 田在山 | Chef Ng Hang's boyfriend. Yuen Man-Cheung's restaurant partner. |
| Elvina Kong | Dai On-Na/Man On-Na (Diana) 戴安娜/文安娜 | Xing (形) Advertising Agency CEO Kau Chun's lover. Man Chi-Cheung's daughter. Yin Wai-Sun's ex-girlfriend. Man Sing-Kwan's stepsister/rival. |
| Geoffrey Wong (黃子雄) | Yin Wai-Sun (Vincent) 言為信 | Xing (形) Advertising Agency CEO Wong Ka-Nam's boyfriend. Dai On-Na's ex-boyfriend. |
| Stephen Au | David Mo Gei-Yung 武紀勇 | Xing (形) Advertising Agency Creative Supervisor Man Sing-Kwan's lover. Wai Yat's friend. |
| Tsui Wing (徐榮) | Tony Kau Tsun 裘俊 | Xing (形) Advertising Agency Senior Assistant Dai On-Na's lover. |
| Brian Burrell (布韋傑) | Wai Yat 韋一 | Xing (形) Advertising Agency Director Mo Gei-Yung's friend. Ming Leung's husband. |
| Wong Cho Lam | Lau Wah 樓華 | Xing (形) Advertising Agency Computer Technician Luk Chit's best friend. Ho Tung-Tung's cousin. Ng Hang's housemaid. |
| Yoyo Chen (陳自瑤) | Kawaii Ho Tung-Tung 何彤彤 | Ex-Model/Xing (形) Advertising Agency Photographer Luk Chit's girlfriend. Lau Wah's cousin. |
| Rachel Kan (簡慕華) | Doris | Xing (形) Advertising Agency Secretary Yuen Man-Cheung's lover. |
| Florence Kwok | Queenie Man Sing-Kwan 文丞君 | Cho Yu Chim (祖與佔) Advertising Agency Director Mo Gei-Yung's lover. Dai On-Na's step sister/rival. |
| Angela Tong | Ming Leung 明亮 | Ex-Police Officer/Yin (言) Corporation Public Relations Consultant Wai Yat's wife. |
| Wong Hei | Ng Gung-Gan (Kilo) 伍公斤 | Xing (形) Advertising Agency Business Consultant Ng Hang's younger brother. Luk Chit's great uncle. |
| Aimee Chan | Dai En-Loi 戴銀來 | Yin (言) Corporation Secretary Luk Chit's friend. Ho Tung-Tung's love rival. Dai Kam's daughter. |
| Lau Ying Wai (楊英偉) | Wong Kwok-Lap 黃國立 | Yin (言) Corporation Senior Consultant Wong Ka-Nam's older brother. Luk Chit's uncle. |
| Lau Kong (劉江) | Man Chi-Cheung 文子祥 | Man (文) Corporation President Yin Ying-Ming's best friend. Dai On-Na and Man Sing-Kwan's father. |
| Chan Hung Lit (陳鴻烈) | Yin Ying-Ming 言英明 | Yin ( 言) Corporation President Man Chi-Cheung's best friend. Yin Wai-Sun and Yin Wai-Bun's father. Ng Hang's friend |
| Mikako Leung (梁珈詠) | Lily Lau Ding-Ying 劉定英 | Xing (形) Advertising Agency Receptionist Lau Ka-Wo's older sister. Mo Gei-Yung's god-sister. |
| Raymond Chiu (趙永洪) | Marco Lau Ka-Wo 劉嘉和 | Xing (形) Advertising Agency Accountant Lau Ding-Ying's younger brother. Li Man-Kei's friend. |
| Jim Tang | Gary Li Man-Kei 李文祺 | Xing (形) Advertising Agency Accountant Lau Ka-Wo's friend. |
| Janice Shum (沈可欣) | Michelle Tam Yuk-Ying 譚育英 | Xing (形) Advertising Agency HR Personnel |
| Helena Wong (黃卓慧) | Ann Tse Yan-Yan 謝欣欣 | Xing (形) Advertising Agency HR Personnel |
| Summer Joe (夏竹欣) | Candy Chung Oi-Ting 鍾靄婷 | Xing (形) Advertising Agency HR Personnel |
| Cheng Chi Shing (鄭子誠) | Yin Wai-Bun 言為本 | Doctor Yin Wai-Sun's older brother. Yin Ying-Ming's son. |
| Kingdom Yuen (苑瓊丹) | Hung Sam 洪參 | Xing (形) Advertising Agency Cleaning/Sanitation Lady |
| Angelina Lo (盧宛茵) | Sheung Koon-Fung 上官鳳 | Tai Chi Master Ho Tung-Tung's mother. Ng Hang's rival. |
| Wayne Lai | Boris Yuen Man-Cheung 阮文昌 | Chef Doris's lover. Yuen Mei-Yiu's older brother. Tin Joi-Shan's business partner. |
| Jeanette Leung (梁政玨) | Yuen Mei-Yiu (Mei Mei) 阮美瑤 | Student/Xing (形) Advertising Agency Temporary Data Entry Clerk Yuen Man-Cheung's younger sister. Luk Chit's ex-girlfriend. |
| Rabee'a Yeung (楊洛婷) | Ming Chu 明珠 | Kau Tsun's cousin. Lau Wah's lover. |

### Guest starring

| Cast | Role | Description |
| Bernice Liu | | Herself (Episode 18) |
| Catherine Chau (周家怡) | | Yin Wai-Sun's ex-girlfriend. (Episode 8) |
| Stephen Huynh | Tommy | Badminton Coach (Episode 23) |
| Fala Chen | To Bing-Bing 杜冰冰 | Model Li Gung-Chi ex-girlfriend. (Episode 28) |
| Nick Cheung | | Customer (Episode 137) |
| Patrick Dunn | Kiu Wai 喬偉 | Architect (Episode 183) |
| Koni Lui | Daisy | Li Gung-Chi's ex-girlfriend. (Episode 192) |
| Sunny Chan | Chan Chi-Kin 陳志賢 | Psychologist (Episode 240, 241, 246, 250) |
| Louisa So | Lai Pong Yue-Yuk 黎龐如玉 | Tycoon (Episode 242-247) |
| Joyce Koi (蓋鳴暉) | | Herself/Opera Singer (Episode 279) |
| Queenie Chu | Ella Chan | Tuxedo Company CEO Yin Wai-Sun's old classmate. (Episode 301) |
| Corinna Chamberlain (陳明恩) | | Mandarin and Cantonese speaking caucasian lady |

### Other cast

| Cast | Role | Description |
| Rocky Cheng (鄭健樂) | James Jim | Gym Trainer Chai Siu-Ping's husband. |
| Fanny Ip (葉凱茵) | Chai Siu-Ping 柴小屏 | James Jim's wife. Wong Ka-Nam's friend. |
| Gill Mohindepaul Singh (喬寶寶) | Kiu Kwok-Bo 喬國寶 | Senior Police Officer Ming Leung's ex-boss. |
| Lawrence Yan (甄志強) | Li Gung-Chi (Philip) 李公子 | Yin Wai-Sun's friend. |
| Carrie Lam | Catherine | Yin Wai-Sun's ex-girlfriend. |
| Mannor Chan (陳曼娜) | Dai Fei 戴菲 | Dai On-Na's mother. Man Chi-Cheung's ex-lover. |
| Lee Yee Man | LuLu | Bar Waitress Lau Ka-Wo's girlfriend. |
| Sharon Luk | Carrie | Jewellery Salesperson Li Gung-Chi's ex-girlfriend. |
| Law Lok Lam (羅樂林) | Dai Kam 戴金 | Dai En-Loi's father. Yin Ying-Ming's business rival. |

## Product placements

* Best Selling Secrets was one of the first TVB series that featured placement of products, namely Sony Ericsson mobile phones, which were written into the plot for a few episodes.
* IBM T2x ThinkPad laptop computers were also featured as mobile workstations of choice for the characters.

## Award nominations

40th TVB Anniversary Awards (2007)
* "Best Drama"
* "Best Actor in a Supporting Role" (Tsui Wing - Tony Kau Chun)
* "Best Actor in a Supporting Role" (Wong Cho Lam - Lau Wah)
* "Best Actor in a Supporting Role" (Stephen Au - David Mo Gei-Yung)
* "Best Actress in a Supporting Role" (Yoyo Chen - Kawaii Ho Tung-Tung)
* "My Favourite Male Character Role" (Stephen Au - David Mo Gei-Yung)
* "My Favourite Male Character Role" (Geoffrey wong - Yin Wai Sun)
* "My Favourite Female Character Role" (Esther Kwan - Wong Ka-Nam)
* "My Favourite Female Character Role" (Elaine Jin - Ng Han)
* "My Favourite Female Character Role" (Elvina Kong - Diana Dai On-Na)
41st TVB Anniversary Awards (2008)
* "Best Drama"
* "Best Actor in a Supporting Role" (Tsui Wing - Tony Kau Chun)
* "Best Actor in a Supporting Role" (Stephen Au - David Mo Gei-Yung)