| 1 | | | The Nellie - A cruising yawl. |
| | Director of | Companies | The captain and host of The Nellie. |
| | Lawyer | | The best of old fellows. |
| | Accountant | | Narrator's acquaintance. |
| | Charlie | Marlow | Seaman and wanderer. |
| | Fresleven | | Charlie's fellow. A steamer. |
| | | | Gran Bassam - A trading place. |
| | Pop | | Charlie's grandfather. |
| | Swede | | Captain. |
| | Chief | Accountant | Charlie's acquaintance. |
| | Aunt | | Charlie's aunt. |
| | Mr. | Kurtz | First class agent. Chief of the inner station. |
| | Jack | | General manager. |
| | Boiler | Maker | Narrator's friend. |
| 2 | Manager | | Captain of Charlie's ship. Manager of the company. |
| | Uncle | | Someone Charlie met at his flat. |
| | Nephew | | Someone Charlie met at his flat. |
| | Fat Man | | Sailor. |
| | Towson | | A master in His Majesty's navy. |
| | Helmsman | | Charlie's fellow. Deceased. |
| | Russian | | Mr. Kurtz's companion. |
| | Van | Shuyten | Russian's friend. An old dutchman. |
| 3 | Brickmaker | | Manager's spy. |
| | Pilgrim | | Accompanied Charlie to the Kurtz Station. |
| | Fiance | | Mr. Kurtz's fiance. |
