| 1 | Stella | Lane | Protagonist. An Econometrician. |
| | Phillip | James | Stella's workmate who likes her. |
| | Edward | Lane | Stella's father. |
| | | | SAS - Statistics Analysis System. |
| 2 | Michael | P. Larsen | Stella's handsome escort. |
| | Daniel | Henney | The K-Drama star. |
| 6 | Quan | | Michael's cousin and sparring partner. |
| | Khai | | Michael's cousin. Quan's younger brother. |
| 7 | Ann | Lane | Stella's mother. |
| 11 | Aliza | James | Michael's ex-client who was crazy for him. Phillip's mother. |
| 12 | Margie | | Michael's tayloring client. |
| | Janie | Phan-Larsen | Michael's sister. |
| | Anh | Phan-Larsen | Michael's mother. |
| 13 | Angie | Phan-Larsen | Michael's sister. |
| 14 | Sophie | Phan-Larsen | Michael's sister. A interior designer. |
| | Evie | Phan-Larsen | Michael's sister. A physical therapist. |
| | Maddie | Phan-Larsen | Michael's youngest sister. |
| 17 | Heidi | | A girl that Phillip formerly dated. |
| | Jean Paul | Gautlier | Michael's favorite designer. |
| | Issey | Miyake | Michael's favorite designer. |
| | Yves | Saint Laurent | Michael's favorite designer. |
| 24 | Frederick | Larsen | Michael's father. |
| | Janelle | | A receptionist at Palo Alto Medical Foundation. |
| | Dr. | Hennigan | Anh's doctor. |
| | Albert | | Stella's boss. |
| 28 | Benita | | A receptionist at Stella's office. |
