Ed serves as the deuteragonist, and he is a round and dynamic character whose journey from isolated wealth to emotional engagement is central to the novel. At the story’s outset, Ed is a tech millionaire adrift after a messy divorce and a professional scandal. He is accused of insider trading after giving information about his company’s upcoming product launch to Deanna Lewis, a woman he is dating. Ed is suspended from the company he co-founded and retreats to his sterile, unused holiday home. This house, with its lack of personal touches, symbolizes the emptiness of his life. He is a man defined by his success but emotionally disconnected from everyone, including his own family. His initial interactions with Jess and her children are marked by a casual condescension born from a complete inability to comprehend their financial struggles. He is arrogant, impatient, and isolated within his privileged bubble, initially seeing the Thomas family as little more than an inconvenience.

Their road trip together is the catalyst for Ed’s transformation. His impulsive offer to drive the family to a Math Olympiad in Scotland is the first truly selfless act he has performed in years, and he makes this decision to prove to himself that he is “not entirely an arsehole” (78). The physical confinement of the car forces him into close proximity with a reality starkly different from his own. He is confronted with the messy, complicated, and loving dynamics of the Thomas family, which stand in stark contrast to his own ordered but lonely existence. Through witnessing their struggles and resilience, Ed begins to develop empathy. His decision to help Nicky get revenge on his bullies by hacking their social media accounts is a pivotal moment, marking his shift from a passive observer to an active participant in their lives and showcasing the novel’s theme of Human Connection in an Indifferent World.

Ultimately, Ed’s journey with the Thomas family allows him to rediscover a sense of purpose that his wealth and career failed to provide. He learns that value is not measured in share prices but in meaningful relationships and acts of kindness. This newfound understanding empowers him to confront the problems he was running from. He confesses his legal troubles to his estranged and dying father, mends his relationship with his sister, and reconciles with his business partner, Ronan. By the novel’s end, Ed has evolved from a man who uses money to solve problems and keep people at a distance into one who invests his time and emotional energy into building genuine connections. His arc demonstrates that redemption and fulfillment are found not in financial success but in the shared, messy business of caring for others.

Tanzie is Jess’s daughter and her intellectual gifts drive much of the novel’s plot. As a 10-year-old mathematics prodigy, her “extraordinary numerical ability” represents a potential path out of her family’s cycle of poverty (11). The motif of numbers underscores the contrast between the logical, predictable world of equations she loves and the chaotic, uncertain reality of her life. For Tanzie, the scholarship to the prestigious St. Anne’s school is not about social status but about finding a community that values her unique mind and allows her to explore the complex mathematical problems she craves. She is socially naive and emotionally direct, often observing the world through a literal lens that provides both humor and insight into the novel’s class divides.

Tanzie’s journey is a coming-of-age story that challenges her innocent, black-and-white worldview. The relentless bullying she faces for being different and her initial failure at the Math Olympiad expose her to the injustices and disappointments of a world that does not always reward talent or adhere to logical rules. This experience forces her to develop emotional resilience. Her decision to leave her math books at her father’s house after the competition symbolizes a temporary retreat from the immense pressure placed upon her and marks a significant step in her development. It is a moment where she prioritizes her emotional well-being over her intellectual pursuits, demonstrating a newfound maturity.

Ultimately, Tanzie’s character highlights the precariousness of potential when it is not supported by opportunity. She is a reminder that talent alone is often not enough to overcome systemic socioeconomic barriers. While she is gifted, her future is contingent on the desperate, often morally compromising, actions of the adults around her. Her journey underscores the idea that creating a space for gifted children like her to thrive is a collective responsibility, requiring not just institutional support but also the kindness and intervention of individuals.

Nicky, Jess’s stepson, is a round and dynamic character who personifies the novel’s theme of The Resilience of the Non-Traditional Family. His identity as an outcast is central to his character; he styles himself in goth fashion, with dyed black hair and eyeliner, and this makes him a constant target for violent bullying. This relentless persecution causes him to retreat from the real world into the relative safety of online gaming. At the beginning of the story, he is sullen, cynical, and deeply isolated, communicating more with virtual figures like “SK8RBOI and TERM-N-ATOR” than with his own family (39). His journey is one of finding his voice, his sense of self-worth, and his “tribe” in a world that seems determined to reject him.

The road trip is a transformative experience for Nicky, removing him from his oppressive environment and placing him in a context where his intelligence and loyalty are recognized. Ed’s decision to help him get revenge on his bullies by hacking their social media accounts is a critical turning point. This act of unconventional support empowers Nicky in a way he has never felt before, inspiring him to create a blog where he can anonymously articulate his family’s struggles. The overwhelmingly positive and empathetic response he receives from this online community, particularly when they donate money for Norman’s vet bills, validates his experience and shows him the power of connection.

Nicky’s arc culminates in his full acceptance of his place within his unconventional family. Abandoned by both of his biological parents, his relationship with Jess and Tanzie is forged through shared experience and loyalty rather than blood. His heartfelt blog post, in which he writes, “I think I sort of belong to them” (254), signifies his emotional arrival. He moves from being a boy who feels he belongs nowhere to a young man who understands that family is defined by love and mutual support, not convention.

Marty, Jess’s estranged husband, is a flat and static character who serves as a foil to both Jess and Ed. He represents a complete abdication of familial and financial responsibility. While he claims his departure was due to depression, it is later revealed that he abandoned his family for a more comfortable and financially stable life with a new partner, Linzie. His refusal to contribute to Tanzie’s school fees, insisting he has “no way” to help while secretly living a comfortable middle-class life, is a stark example of his selfishness and deceit. Marty’s character is used to critique traditional models of masculinity, presenting a man who crumbles under pressure and prioritizes his own comfort over the well-being of his children. He remains unchanged throughout the narrative, offering excuses rather than genuine remorse, and his actions consistently highlight the resilience and moral fortitude of Jess.

Norman, the Thomas family’s oversized and flatulent dog, functions as a symbol of unconditional love and quiet heroism. Described by Jess as an “enormous eating and crapping machine” (18), his physical messiness and uncouth habits mirror the chaotic, imperfect nature of the Thomas family itself. Despite his flaws, Norman’s loyalty is unwavering, and he provides a source of constant, non-judgmental comfort, especially for Tanzie. His character arc moves from comedic relief to unlikely hero when he breaks through the family’s fence to protect Tanzie from Jason Fisher and his gang. This selfless act, which results in his own severe injury, embodies the theme of The Resilience of the Non-Traditional Family, demonstrating that love and heroism can be found in the most unassuming and unconventional packages.

Nathalie Benson is Jess’s cleaning partner and best friend. As a flat and static character, she primarily functions as a pragmatic and often cynical foil to Jess’s determined optimism. She is the voice of reason who frequently questions Jess’s choices and tries to ground her in the harsh realities of their financial situation. Her skepticism about Tanzie attending a private school, where she fears her friend’s daughter will “lose sight of where she comes from” (36), reflects a working-class anxiety about social mobility and the potential loss of community identity. Despite her sometimes-negative outlook, Nathalie provides Jess with crucial emotional support and a sense of solidarity, representing the importance of friendship in navigating a world of systemic hardship.