The protagonist who stops speaking after being charged with her husband Gabriel's murder. She is committed to The Grove, where her silence and artwork become key to the narrative.

Theo's wife and an actress, who has an affair with Gabriel Berenson, leading to complications in her marriage with Theo.

Alicia's husband, a photographer who is murdered six years before the novel's events. His death forms the central mystery of the story.

Alicia's solicitor and Gabriel's adopted brother. He harbors complex feelings toward Alicia and plays a significant role in the investigation around Gabriel's death.

Alicia's parents, whose tragic deaths greatly impact her mental state. Eva's murder-suicide when Alicia was a child and Vernon's suicide years later are pivotal events.

Alicia’s cousin and son of Lydia. He provides insight into Alicia’s difficult childhood, struggling with addiction and family dependence.

Alicia's aunt who raised her after Eva's death. She is mentally unstable and has a strained relationship with Alicia, adding to Alicia's trauma.

The clinical director at The Grove and Professor of Forensic Psychiatry. Diomedes is an authoritative figure who sets key plot deadlines.

The head psychiatric nurse at The Grove. He is friendly and appears supportive, although he deals drugs to patients.

A patient at The Grove known for her aggressive behavior. She twice provokes violent reactions from Alicia, highlighting Alicia's vulnerability.

Max's nervous and secretive receptionist and wife, who hints at deeper truths behind the narrative and directs Theo to Paul.

A psychiatrist at The Grove and an old acquaintance of Theo, who treated Alicia before Gabriel's murder. His methods contrast with Theo's psychological approach.

The manager of the gallery representing Alicia, who values her art more than her personal wellbeing. He provides crucial clues to Theo.

Theo’s former therapist, credited with helping Theo improve his mental health through talk therapy. She remains a comforting figure in his memory.

A psychiatrist at The Grove, she is supportive of Theo's work with Alicia, reflecting a maternal presence similar to Ruth.

Alicia and Gabriel's former neighbor who visits Alicia at The Grove and shares information with the police during the murder investigation.

The new manager of The Grove, focused on the institution's funding and cautious about Theo’s unorthodox methods with Alicia.