Bridget is a thirty-something British woman working at a London publishing house. She obsessively tracks her weight, calorie intake, and cigarette consumption, setting ambitious resolutions to improve her life. Her chaotic attempts at self-improvement frequently clash with her spontaneous nature and her penchant for overindulgence. Feeling immense societal pressure to find a partner, she often finds herself pursuing unavailable or inappropriate men.

Pam is Bridget's mother, a suburban housewife who abruptly rebels against her traditional domestic life. Feeling that she has sacrificed her own ambitions for her family, she pursues a career as a television presenter and begins stepping outside her marriage. Her sudden flirtatious behavior frequently leaves her daughter exasperated and stressed.

Mark is a wealthy, recently divorced barrister who travels in the same social circles as Bridget's parents. He initially presents a rude and aloof exterior at social functions, appearing highly judgmental of Bridget's behavior. Despite his stiff demeanor, he possesses a strong sense of responsibility and quiet decency that gradually becomes apparent.

Daniel holds a senior position at the publishing house where Bridget works. He is a charming, seductive playboy who frequently sends flattering messages to female subordinates. He views women primarily as sexual objects and actively avoids serious commitment, preferring casual encounters over stable relationships.

Sharon is a fiercely outspoken member of Bridget's core friend group. She regularly delivers scathing criticisms of modern dating standards and condemns men who exploit women's culturally conditioned fears of remaining single. Her frankness provides her friends with a safe, empowering space to air their frustrations during their wine-fueled gatherings.

Jude is a successful career woman who struggles deeply with her personal life. She is trapped in a highly unequal relationship with an inconsistent boyfriend, frequently blaming herself for his poor behavior. She consumes self-help books and attends therapy in an attempt to fix her romantic issues, relying heavily on her friends for emotional support.

Julio is a debonair man who wears a European-style leather jacket and carries a gentleman's bag. He offers Pam an exciting entry into the television industry and takes her on holidays, providing a sharp contrast to her quiet suburban marriage. His charming exterior masks opportunistic and deceitful tendencies.

Tom is the fourth member of Bridget's trusted inner circle. Like the women, he agonizes over his dating life and physical appearance, going so far as to secretly obtain plastic surgery to fix a perceived flaw on his nose. He regularly trades late-night phone calls with Bridget to dissect their respective romantic failures.

Una is a close friend of Bridget's parents and a frequent host of holiday gatherings. She is a prominent member of the married demographic, regularly making condescending remarks about Bridget's biological clock and attempting to set her up with eligible bachelors.

Geoffrey is Una's husband and a long-time fixture in the Jones family's social sphere. He co-hosts various neighborhood parties and occasionally engages in polite but awkward dinner conversations with Bridget about peculiar topics like religious miracles.

Colin is Bridget's father, a mild-mannered man who is perfectly content with his quiet suburban routine. He is blindsided when his wife of decades suddenly demands a separation to pursue her own independence. He frequently calls Bridget in tears, relying on his daughter for emotional support as his marriage falters.

Perpetua is a loud, overbearing colleague at Bridget's publishing house. She frequently treats Bridget with condescension and publicly mocks her intelligence, viewing herself as highly cultured while dismissing Bridget's enjoyment of popular television shows.

Richard is Jude's inconsistent, commitment-phobic boyfriend. He repeatedly breaks off their relationship whenever she asks for basic milestones, such as taking a holiday together. He completely disregards her feelings, routinely skipping their scheduled couples therapy sessions.

Magda is a married acquaintance of Bridget who stays home to raise her children. Though she initially appears to belong to the secure married demographic, she actually struggles with depression and faces public humiliation when she discovers her husband's unfaithfulness.

Jeremy is Magda's husband. He maintains a respectable domestic facade while quietly engaging in affairs, exemplifying the hypocrisy Bridget frequently observes among her married acquaintances.

Gav is a young man who spots Bridget crying in front of an art exhibit and mistakes her tears for a profound emotional reaction to the work. When Bridget later brings him to a dinner party, he ruins the connection by making an insensitive comment about her body.

Natasha is a striking, elegantly dressed woman who attends high-society functions with Mark Darcy. She is meticulous and critical, making scathing remarks about other people's fashion choices and expecting social events to be perfectly organized.

Rebecca is a fringe member of Bridget's social circle who is notorious for her inadvertent cruelty. She frequently drops passive-aggressive comments about single women becoming desperate as they age, causing Bridget to actively avoid her.

Suki is an incredibly thin, glamorous woman who shares Daniel Cleaver's social circle. Her fashion-magazine looks and callous comments about weight directly feed into Bridget's deepest insecurities regarding her own body.