| Pro | Andrew | Carnegie | Business magnate and philanthropist. Aka: Andra. |
| | Clara | Kelley | Lady's maid. |
| 1 | Cecelia | | Clara's younger sister. |
| | Eliza | | Clara's older sister. |
| 2 | Anthony | | One of the Irish immigrants. |
| | Mrs. | Seeley | Owner of the preeminent servants' registry in town. |
| 3 | Lord | Marytn | Landlord to all the farmers in Clara's home town. |
| | Miss | Coyne | One of Mrs. Seeley's recruits. |
| | Miss | Quinn | One of Mrs. Seeley's recruits. |
| | Margaret | Carnegie | Andrew Carnegie's mother. |
| | Oliver | | Miss Quinn's supposed employer. |
| 5 | Hilda | | One of the Carnegie's scullery maids. |
| | John | Ford | Carnegie's cook. |
| | Mr. | Holyrod | Carnegie's butler. |
| | Thomas | Miller | Cyclops Iron Company founder. Aka: Tom. |
| | | Kloman brothers | Iron City Forge co-founder. |
| | Harry | Phipps | One of Mr. Carnegie's friends. |
| 8 | Tom | Carnegie | Mrs. Carnegie's younger son. |
| | Thomas | Scott | Mr. Carnegie's former boss. |
| | Mrs. | Stewart | Carnegie's housekeeper. |
| 9 | Daniel | | Eliza's soon to be husband. |
| | Thomas | | The other Clara's boyfriend. |
| 10 | Mary | | One of the Carnegie's scullery maids. |
| | Patrick | Lamb | Alice's second cousin. |
| | Alice | | Clara's mother. |
| | Maeve | | Patrick's wife. |
| 11 | Dr. | Atkinson | One of the Carnegie's neighbors. |
| | Miss | Atkinson | Dr. Atkinson's daughter. |
| 12 | Mrs. | Jones | One of Mrs. Carnegie's guests. |
| | Mrs. | Vandevort | One of Mrs. Carnegie's guests. |
| 14 | Ruth | | John Ford's wife. |
| | Mabel | | John Ford's daughter. |
| | Mrs. | Wilkins | One of the Carnegie's acquaintances. |
| 15 | James | | Carnegie's footman. |
| | Mrs. | Pitcairn | One of the Carnegie's acquaintances. |
| 16 | John | Phipps | Iron City Forge co-founder. |
| | Lucy | Coleman | William's daughter. |
| | William | Coleman | Iron-manufacturing magnate. |
| 18 | James | Anderson | Founder of free libraries. |
| | Morrison | | Mr. Carnegie's grandfather. |
| 19 | Catherine | | Clara's aunt. |
| 21 | Dr. | Morton | The doctor who attended to Mrs. Pitcairn. |
| 24 | John | Vandevort | One of Mr. Carnegie's friends. Aka: Vandy. |
| 26 | Mrs. | York | One of Mrs. Carnegie's guests. |
| | Mrs. | Coleman | One of Mrs. Carnegie's guests. |
| 27 | Mary | | Maeve's eldest daughter. |
| | Anthony | | One of Maeve's sons. |
| | John | | One of Maeve's sons. |
| 29 | Edgar | Thomson | President of the Pennsylvania Railroad. |
| 31 | William | Wilkins | One of the region's wealthiest individuals. |
| | George W. | Dallas | Former vice president of the United States. |
| | Robert | | Mrs. Pitcairn's son. |
| | Robert Jr. | | Mrs. Pitcairn's grandson. |
| 32 | Oliver | Howard | A General, in charge of the Freedmen's Bureau. |
| 37 | Mrs. | Van Resselaer | One of the mistresses in New York. |
| | Mrs. | Morris | One of the mistresses in New York. |
| | Mrs. | Rhinelander | One of the mistresses in New York. |
| 39 | Miss | Carlyle | Mrs. Carnegie's nurse in New York. |
| Epi | Little Maeve | | Patrick and Maeve's granddaughter. |