Bridget is a graduating senior studying international politics at Thayer University and the princess of Eldorra. She enjoys the relative anonymity and freedom she has in America compared to the strict, surveillance-heavy lifestyle in her home country. Though strong-willed and stubborn, she finds herself constrained by the expectations placed upon her by her royal status and carries deep, unresolved guilt regarding her parents' deaths.

Rhys is a highly sought-after private security contractor and ex-Navy SEAL. He strictly adheres to his professional rules by never becoming personally involved with a client and demanding absolute compliance. He suffers from complex PTSD stemming from his difficult childhood and his military service, leaving him emotionally guarded and hypervigilant.

King Edvard is the aging monarch of Eldorra and the patriarch of the von Ascheberg family. He took on the responsibility of raising his grandchildren after their parents died. He often interacts with his family members in his capacity as a ruler rather than a grandfather, prioritizing the country's image and ancient traditions above personal sentiments.

Nikolai is the Crown Prince of Eldorra and the direct heir to the throne. He has been raised his entire life with the specific expectation of becoming king. He pursues a relationship with an American commoner, a choice that conflicts directly with Eldorra's ancient laws and forces him to make difficult decisions regarding his birthright.

Andreas is a nobleman and the next in line to the Eldorran throne after Bridget. He holds highly traditional views regarding the monarchy and openly questions a woman's suitability to lead a country. He observes the palace dynamics closely and positions himself in opposition to Bridget's choices, eager to point out her flaws.

Lord Erhall is the conservative Speaker of Parliament in Eldorra. He strictly upholds the nation's ancient traditions, including the Royal Marriages Law. He believes that people of lower birth have no place in government and serves as a formidable political presence who opposes progressive changes to the monarchy.

Ava is one of Bridget's closest friends at Thayer University. She provides Bridget with a sense of normalcy and grounding away from her royal obligations. She dates a wealthy and connected man whose lifestyle occasionally draws danger into her social circle.

Alex is Ava's wealthy and highly protective boyfriend. He has a dangerous reputation and ties to organized crime, which occasionally brings trouble to those around him. He is resourceful and willing to use his extensive connections to assist Ava's friends when they are in need.

Christian is a cybersecurity expert and the owner of the elite security agency that employs Rhys. He is highly observant, intelligent, and often acts as a sounding board for his friend, questioning Rhys's unusual decisions regarding his difficult assignments.

Booth is a friendly Eldorran man who serves as Bridget's longtime bodyguard. He has a warm, paternal energy and prepares to go on paternity leave at the start of the story, necessitating the arrival of a temporary replacement.

Jules is a university student and part of Bridget's core group of friends in America. She treats Bridget like a normal person rather than a royal, contributing to the princess's comfortable and unpretentious life away from Eldorra.

Stella is another member of Bridget's close-knit collegiate friend group. She enjoys nights out with her friends and helps maintain Bridget's grounded, non-royal identity while she lives in America.

Mikaela is an old friend of Bridget's who works as a royal advisor at the palace. She is friendly on the surface but heavily invested in Bridget's public image and deeply concerned with maintaining the palace's strict social hierarchy.

Elin is the press secretary for the Eldorran palace. She is fiercely protective of the monarchy's public image and constantly strategizes ways to present the royal family favorably to the media, often disregarding the personal feelings of the royals themselves.

Steffan is the Duke of Holstein and an eligible nobleman in Eldorra. He is polite, socially appropriate, and considered by the palace to be an ideal match for Bridget, though he carries his own private obligations and hidden affections.

Sabrina is an American flight attendant who captures the heart of the Crown Prince. As a commoner, her relationship with Nikolai directly challenges Eldorra's strict laws regarding royal marriages and creates political ripples.

Deirdre is Rhys's late mother. After the man she loved abandoned her, she struggled with severe drug and alcohol addiction. She frequently blamed her son for her ruined life, leaving a lasting psychological impact on him before her death.

Malin is a woman who previously worked as an aide to Steffan's ill mother. She maintains a quiet connection with the Duke despite his father's fierce disapproval of her lower social standing.

Josh is Ava's brother, who frequently interacts with the Thayer University friend group. He shares a mutually antagonistic dynamic with Jules, which creates friction during social gatherings.

Louis is a man Bridget attempts to date during her time as an ambassador in New York. His brief connection with the princess is quickly severed due to the intimidating presence of her security detail.