| Rhoda Brook: | A milkmaid and mother to her illegitimate son, William. |
| Gertrude: | Thomas Lodge's new young wife. |
| William | Illegitimate teenage son of Rhoda Brook and Thomas Lodge. |
| Thomas Lodge: | Landowner |
| Lizzie: | A milkmaid and friend to Rhoda. |
| Trendle: | A woodsman who lives out on Egdon Heath and considered to have special powers. |
| Minister: | The Anglican priest in Holmstoke. |
| Bessie: | Gertrude Lodge's personal maid. |
| Lily: | A young village girl who befriends William Brook. |
| Jack: | A young man in the village. |
| Percy: | A young man in the village. |
| Florence: | A young girl in the village. |
| Davies: | A hangman appointed by Casterbridge Assizes. |
| Martha: | A milkmaid on Thomas Lodge's farm. |
| Dairyman: | The dairyman on Thomas Lodge's farm. |
| Winnie: | Landlady at the White Hart Inn in Casterbridge. |
| Ensemble: | A collection of villagers, farmworkers, and animals who populate the play and who also sing the folk song that becomes an accompaniment and commentary on the action. |