Margaret
The protagonist, Margaret is deeply affected by the loss of her father and grapples with her relationship with her lover, Colin. She works at a community center and reflects on her past and present experiences during a train journey to London.

Colin
Margaret's lover, with whom she shares a complicated relationship. Their interactions reveal tensions between personal independence and emotional intimacy.

Margaret's Father
A significant figure in Margaret's life, his memory continues to influence her decisions and emotional state.

Mr. Lawrence
Margaret's boss at the community center, who is portrayed as self-serving and contributes to her professional dissatisfaction.

James
A special needs individual whom Margaret meets on the train. Their brief interaction leaves a lasting impression on her, highlighting themes of connection and understanding.