| Cast | Role | Description |
| Roger Kwok | Fong Tsun-Kit 方浚杰 |
Immigration Officer Cheung Si-Man's husband Father of Hei-Hei |
| Claire Yiu | Cheung Si-Man 張思敏 |
Mainland Immigrant Fong Tsun-Kit's wife Mother of Hei-Hei Dies in episode 29 |
| Yoyo Mung | Yip On-Kei (Angel) 葉安琪 |
Immigration Officer Pak-Yu's ex-girlfriend |
| Natalie Tong | Yip On-Yee 葉安兒 |
Yip On-Kei's sister Au Shun-Fung's old crush Friends of Au shung fung and Chung Chi-Yan Mother of Ci-Ci |
| Patrick Tang | Au Shun-Fung 歐順風 |
Immigration Officer Chi-Yan's crush, later boyfriend |
| Toby Leung | Chung Chi-Yan 鍾志欣 |
On-Yee's friend Au Shun Fung's girlfriend |
| Raymond Cho | Cheng Pak-Yu 鄭柏宇 |
Police Officer On Kei's ex-boyfriend |
| 'John Chiang | Mak Kai-Ming 麥啟銘 |
Immigration Officer |
| Ben Wong | Chung Chi-Wing 鍾志榮 |
Police officer Chun-Kit's older brother |
| Kenny Wong (黄德斌) | Wu Kit-Sam 胡杰琛 |
gangster later in prison Cheung Si-Man's lover |
| Shermon Tang | Immigration officer | |
| Ruco Chan | Mak Chi Hin (Kelvin) 麥子軒 |
Mak Kai-Ming's son |
| Power Chan | Leung Chi-Lun 梁智倫 |
Immigration Officer Friends of Tsun-Ki and On-Kei |
| Queenie Chu | Ching Pui Ka (Connie) 程佩嘉 |
Immigration Officer |
| Ellesmere Choi | Hon Wing Nin (Roy) 韓永年 |
Immigration Officer |
| Coleman Tam | Fong Ka Hei (Hei Hei) |
Fong Chun Kit & Cheung Si Man's Son |
Read more about this topic: The Threshold Of A Persona
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“we cast the vessel ashore
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“If you are cast in a different mould to the majority, it is no merit of yours: Nature did it.”
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