Abriella is a seventeen-year-old human who relies on her thieving skills to survive extreme poverty in Elora. Bound by an exploitative contract to her cruel aunt, she works tirelessly to protect her younger sister. When her sister is sold to the Unseelie king, Abriella makes a desperate journey into Faerie, determined to secure her freedom.

Sebastian is a charming young man who initially presents himself as a mage's apprentice in the human world of Elora. He provides Brie with much-needed friendship and a glimpse of a happier life. However, his deep connections to the Seelie Court soon draw him into the complex politics of Faerie, intertwining his fate with Brie's dangerous mission.

Finn is a silver-eyed fae and the rightful heir to the Unseelie throne. Operating a rebel faction, he works to protect Unseelie refugees and oppose King Mordeus's tyrannical rule. Finn is mysterious and highly guarded, frequently keeping his true motives hidden even as he offers Brie assistance.

Jas is Brie's fourteen-year-old sister who shares her life of indentured servitude. Unlike Brie, Jas remains optimistic and believes that the fae are fundamentally good. Her sudden sale to faerie traders serves as the catalyst for Brie's dangerous journey into the magical world.

Mordeus is the ruthless ruler of the Unseelie Court. Desperate to solidify his power and retrieve lost magical artifacts, he uses cruel tactics to coerce others into his service. He holds Brie's sister captive, using her as leverage to force Brie into a dangerous bargain.

Pretha is a pragmatic Wild Fae ally working closely with Finn's rebellion. Skilled at espionage, she frequently operates under disguise within the Seelie Court to gather information. She becomes a vital mentor to Brie, offering guidance on surviving the treacherous social dynamics of Faerie.

Bakken is a clever house goblin employed by Madame Vivias. As a goblin, he is largely exempt from the political restrictions placed on the Seelie and Unseelie fae, making him a valuable but expensive source of information. He holds a particular fascination for Brie's bright red hair, which he demands as payment for his secrets.

Queen Arya is the powerful and strict ruler of the Seelie Court. She holds high standards for her son's potential brides and enforces severe laws across her lands, including the operation of harsh labor camps for Unseelie refugees. Her actions are driven by a desire to maintain Seelie superiority.

Madame Vivias is Brie and Jas's aunt who lives in the human world of Elora. She holds an exploitative magical contract over her nieces, forcing them into a life of indentured servitude. She is callous and cruel, prioritizing wealth and status over her family's well-being.

Nik is a human woman living in Elora and a close friend to Brie. She faces extreme poverty and desperation, willing to sacrifice her own freedom to a wealthy man to ensure her daughter's survival. Nik provides Brie with pragmatic advice about surviving a world where the poor have very little power.

Creighton Gorst is an immensely wealthy and predatory man in Elora. He uses his financial power to exploit vulnerable women, including Nik, forcing them into servitude when they cannot repay their debts.

Cassia is Brie's cousin, living comfortably under Madame Vivias's roof. She is shallow and cruel, actively enjoying the suffering and servitude of her cousins.

Stella is another of Brie's cousins in Elora. Like her sister and mother, she treats Brie and Jas with contempt and entitlement, demanding constant labor from them.

Fawn is Nik's young daughter. In an act of desperation to save her ailing mother, Fawn signed an exploitative loan, placing her entire family at the mercy of a predatory wealthy man.

Emmaline is a human servant assigned to care for Brie during her stay at the Seelie Court. She represents the comfortable, albeit restricted, life of human servants in Faerie, offering Brie enthusiastic gossip and attentive care.

Tess is a human servant at the Seelie Court. Alongside Emmaline, she dotes on Brie and shares rumors about the prince's romantic interests, highlighting the sharp contrast between Brie's past poverty and her current luxury.

Kane is a fae operative allied with Finn's rebellion. He assists in dangerous missions, including rescuing Unseelie refugees and providing medical knowledge when allies are severely injured.

Riaan is a Seelie fae and Sebastian's closest friend. He is highly loyal to the Seelie Court and encourages Brie to consider forging a permanent bond with Sebastian to solidify their alliance.

Jalek is a Seelie fae who defected to join Finn's rebellion. He is fiercely opposed to Queen Arya's brutal labor camps and is willing to risk his life to undermine the Seelie Court's oppressive policies.

Tynan is a Wild Fae who aids Finn's rebellion. He is part of the diverse coalition of fae working to smuggle Unseelie refugees to safety in the Wild Fae lands.

Lark is Pretha's young daughter who possesses the rare and dangerous gift of precognition. Because using magic drains the life force of Unseelie fae, her mother is highly protective of her and discourages her from using her visions.

Misha is the king of the Wild Fae and Pretha's brother. He entered a political marriage with Amira but remains supportive of his sister despite the complex familial and romantic dynamics at play.

Amira is the queen of the Wild Fae. She is married to King Misha for political reasons, but shares a deep, historically complicated romantic connection with his sister, Pretha.

King Oberon is the former ruler of the Unseelie Court. His historical absence and missing crown serve as the catalyst for the current power struggles and conflicts between the faerie courts.