Artie’s wife Evie is a family therapist from an upper-class family and is defined by her reserve and pragmatism: qualities that contrast sharply with Artie’s emotional expressiveness. Despite having lived with Artie for 34 years, she remains largely unaware of the “deep pockets of sensitivity” that motivate him (19), and her own lack of sensitivity in this regard contributes to her husband’s deep sense of isolation. Both she and Artie are still haunted by the car accident involving their son Rob, and in Artie’s estimation, Evie became more “officious” and distant after this disastrous event disrupted the family’s lives and well-being. Her professional role as a therapist forces her to maintain a measure of emotional distance, and this approach carries over into her family life as well.

Most importantly, Evie is the keeper of the novel’s central secret: that Rob is not Artie’s biological son. For 28 years, she has maintained her deception, working to preserve her marriage and family structure at the cost of genuine intimacy. Her motivations are complex, stemming from her desperation to have a child and her subsequent, lifelong commitment to protecting the family she has built. Even after Reginald’s death, she mentions him frequently, hinting at a deep, unresolved connection and a private grief that Artie misinterprets. Her ability to live with this secret for so long highlights her capacity for immense self-control and her belief that some truths are better left unspoken.

This belief adds a note of irony to her interactions, for although she purports to offer solutions to her clients’ own emotional problems, the close third-person narration reveals that her advice sometimes stems from her own unprocessed issues—as when Evie tries to dissuade a female client from confessing to a recent affair. By advocating for the woman’s continued silence and contending that truth-telling will do the marriage no good, Evie is drawing upon her own suppressed guilt over her past affair with Reginald. While Evie never discusses her own past affair with Artie, Strout uses this scene to articulate the personal fears and beliefs that Evie herself will never voice. Thus, in many ways, Evie is a primary avatar of the novel’s thematic focus on The Weight of Unspoken Truths.

Rob is Artie and Evie’s son, and his own traumas and discoveries catalyze much of the novel’s emotional conflict. As an adult, Rob is a quiet and inwardly focused software engineer, a stark contrast to the happy, energetic child Artie remembers. This transformation occurred after a deadly car accident years ago, which killed Rob’s girlfriend, Heather. Because Rob was the one driving and because the two were engaging in sexual activities at the time of the crash, Rob is left with an “almost unbearable shame” (20), and Artie’s unspoken awareness of this issue creates a wall between him and his father for many years. This guilt also shapes Rob’s adult life, leading him to pursue a reserved existence and a marriage with Francesca, a woman nine years his senior, who offers him a sense of stability.

Rob’s life is thrown into further turmoil by the posthumous letter from Reginald MacDonald, which reveals his true paternity. Unable to cope with the fact that Reginald, not Artie, is his biological father, Rob suffers a destructive blow to his sense of identity, but this crisis also becomes the catalyst for strengthening his relationship with Artie. He confesses to Francesca that after learning the truth, his love for Artie intensified, and he came to more fully appreciate the lifetime of experience and care that Artie has lavished upon him. Rob’s journey explores the concept of Redefining Fatherhood as a Social Commitment, for despite the revelation of his paternity, he sees Artie as his father and ultimately decides not to credit Reginald with having any influence over the person he has become. At the novel’s conclusion, he responds to the political decay of the United States by moving with Francesca to Brussels and working directly for the European Union. His decision is born of the conviction that American intelligence can no longer be trusted, and this major life shift reflects his search for a more stable moral and political framework.

Reginald MacDonald, Flossie’s late husband and Rob’s biological father, only reveals his affair with Evie upon his deathbed, and his selfish declaration dramatically disrupts the lives of the main characters. A brilliant but “hypercritical” math professor during his lifetime, Reginald embodies the dual character flaws of intellectual arrogance and emotional detachment. His philosophy that “each man is an island” becomes a core tenet of the novel (15)—one that Artie initially rejects but later comes to understand as a painful truth about human existence. Reginald’s affair with Evie and his posthumous letter revealing his paternity of Rob are driven, as he admits himself, by pure “ego.” He openly states that his decision to tell Rob the truth is born of his greater desire to “lay claim” to the son he never raised himself.

Francesca is Rob’s first wife, a world-renowned concert pianist whom Artie initially perceives as “unknowable” and somewhat odd. However, she proves to be a deeply empathetic and stabilizing force in Rob’s life, even during the couple’s temporary separation and amicable talk of divorce. When Rob learns the truth about his paternity, Francesca is his first and most important confidante, and her unwavering support for both him and Artie foreshadows the fact that her relationship with Rob is destined to endure. Their marriage survives because, despite their troubles and Rob’s ambivalence, their connection has been built upon a lasting friendship, and their interactions together demonstrate a maturity and complexity that Rob’s brief relationship with Rachel lacks.

Danny Marino is a student in Artie’s history class who undergoes significant development. Initially, he presents himself as a typical high school “jock,” especially when he ridicules the vulnerable, socially awkward Rhonda Lazarre. However, beneath this exterior, he is grappling with the emotional crisis of his mother’s affair and his parents’ collapsing marriage, which leaves him feeling that “[e]verything in this world is a big stinking lie” (32). His insightful interpretation of Shakespeare’s Othello reveals his hidden intellectual depth and sensitivity, and his life changes for the better when Artie intervenes—first to curtail Danny’s bullying and later to nurture his passion for Shakespeare. Artie also treats Danny’s random act of vandalism with understanding and empathy, recognizing the boy’s misbehavior as an expression of rage against the world. When Artie admits to having similar feelings, this moment of connection solidifies Artie’s role as a mentor and father figure, guiding Danny toward a more constructive future.

Rhonda Lazarre is another of Artie’s students; her authenticity and vulnerability inspire Artie to offer up the best version of himself in class in order to support and reassure her. Described as “unfortunate-looking,” Rhonda is a social outcast who experiences moments that she calls “the sads,” and she also struggles with the social stigma associated with her mother’s mental illness. Although she is a target of mockery, she remains openhearted and kind, forming a special bond with Artie because he treats her with dignity and validates her struggles. His simple acts of respect and encouragement inspire her to pursue a future as a minister, demonstrating the positive impact that a compassionate teacher can have on a young person’s life. For Artie, Rhonda is a reminder of his sister, Maria, a person whose spirit he feels compelled to protect.

Flossie MacDonald is Reginald’s wife and is initially a close friend to Artie. Loud, overly emotional, and prone to drinking, Flossie nonetheless offers Artie a space where he can be his authentic self. At the beginning of the novel, their biweekly meetings at Spud’s Bar and Grille provide him with an important emotional outlet that his marriage lacks. Flossie’s move to Ohio creates a deep void in Artie’s life, triggering the intense loneliness that leads to his temporary suicidal ideation in the novel’s early chapters. However, although their friendship is genuine, it is built on an incomplete truth, as Flossie remains unaware of her husband’s past affair with Evie. In the end, her casual shift in political allegiance and her optimistic belief that Trump’s second term will “shake things up” create a final, insurmountable distance between her and Artie (189), although this issue is never voiced aloud.