| William | Acton | A surgeon. Dr. MacFarlane's friend. |
| Mrs. | Banks | One of William's guests. |
| Koh | Beng | Shin's acquaintance. |
| Louise | Brooks | American film actress. |
| Chan Yew | Cheung | A salesman. |
| Dr. | Chin | Ren's doctor. |
| Robert | Chiu | Ming's friend. |
| Mr. | Grafton | Lydia's fiancé. |
| Ah | Hing | One of Ji Lin's admirers. |
| Seng | Huat | One of Ji Lin's admirers. |
| Pak | Ibrahim | A local hunter. |
| Pak | Idris | A blind Malay fisherman. |
| Mr. | Khoo | One of May Flower's customers. |
| Wong Yun | Kiong | Real name of Y. K. Wong. |
| Ah | Kum | A girl who worked for Shin's father. |
| Fong | Lan | Shin's girlfriend. |
| Shin | Lee | Ji Lin's stepbrother. |
| Mrs. | Lim | Owner of a dancing school. |
| Ji | Lin | Real name of Louise. |
| Pei | Ling | A nurse. |
| Ah | Long | Dr. William Acton's cook. |
| John Alexander | MacFarlane | A doctor. Ren's former master. |
| Dr. | Merton | Dr. Rawling's predecessor. |
| Lytton | Rawlings | A pathologist also acting as coroner. |
| Ah | Seng | A part-time waiter. |
| Jagjit | Singh | A police officer in Malaya. |
| Nirman | Singh | One of May Flower's customers. |
| Beaky | Tham | A dressmaker. |
| Mr. | Tham | Mrs. Tham's husband. |
| Henry | Thomson | The manager of the rubber plantation. |
| Lydia | Thomson | Henry's daughter. |
| Foo Nyit | Tse | The tin tycoon. |
| Rudolph | Valentino | An Italian actor. |
| Dr. | Watson | Ji Lin's acquaintance. |
| Nandani | Wijedasa | William's patient. |
| Mr. | Wong | An optometrist. |
| Y. K. | Wong | Chan Yew Cheung's friend. |
| Ah | Yoke | Chan Yew Cheung's wife. |
| Ambika | | William Acton's girl. |
| Anne | | Hui's acquaintance. |
| Auntie Kwan | | Dr. MacFarlane's housekeeper. |
| Auntie Wong | | Ji Lin's neighbor. |
| Dolly | | Mrs. Tham's dog. |
| Emily | | One of Robert's sisters. |
| Eunice | | One of Robert's sisters. |
| Farrell | | William's acquaintance. |
| Harun | | The Malay driver. |
| Hui | | Louise's friend. |
| Iris | | Dr. William Acton's fiancé. |
| Kiong | | The bouncer. |
| Leslie | | A doctor. Dr. Acton's friend. |
| Louise | | A dancer. |
| Mary | | One of Robert's sisters. |
| Matron | | A senior hospital staff. |
| Ming | | Shin's best friend. |
| Pearl | | One of Louise's friends. |
| Price | | One of the members of the tiger hunters. |
| Queen Victoria | | Former Queen of the United Kingdom. |
| Ren | | A Chinese houseboy. |
| Reynolds | | One of the members of the tiger hunters. |
| Rose | | One of Louise's friends. |
| Yi | | Ren's twin brother. |
