| Name | Character | Episodes |
|---|---|---|
| Elfina Luk | Anna Xie | 30 |
| Loretta Yu | Teresa Fai | 29 |
| Oscar Hsu | Li-Rong 'Ron' Xie | 28 |
| Fiona Fu | Weiran Xie | 27 |
| Steph Song | Josephine 'Jo' Bradley | 24 |
| Byron Mann | Evan Ong | 16 |
| Maria Ricossa | Professor Colleen Bradley | 10 |
| Peter Outerbridge | Detective Al Gorski | 8 |
| Andy Yu | Jimmy Lin | 8 |
| Sean Baek | Norris Pang | 8 |
| Morgan Kelly | Clayton Lind | 2 |
| Stuart Hughes | Dr. Lewis | 2 |