A 16-year-old girl who works for Malcolm’s parents in the Trout inn, known for her teasing and scornful demeanor. Despite her tough exterior, she is sensitive and becomes integral to the story's events.

An antagonist in the story, once a brilliant scientist, now notorious and shunned, known for his dangerous pursuit of Lyra. His character is marked by a sinister demeanor and a controversial past.

A scholar in Oxford who studies the alethiometer, participates in a secret organization, and advises Malcolm during the story. She plays a pivotal role in guiding him through complex issues.

A six-month-old baby who is the central figure everyone is concerned about, admired for her charm and intelligence. She becomes the focus of a prophecy that drives the narrative.

An elderly nun at Godstow Priory, known for her gentle demeanor and close relationship with Malcolm. She is the primary caretaker of baby Lyra at the priory.

Lyra’s father, a prominent explorer with a complex personal history. He cares deeply for Lyra despite being unable to directly raise her.

Lyra’s mother, a beautiful and influential woman involved with the Magisterium. She is known for her unsettling presence and her connection to several major characters.

A gyptian man connected to various characters who plays a crucial role in relaying information. His involvement with gyptians underscores thematic connections in the story.

A senior member of Oakley Street, a secret organization working against the Magisterium. He holds significant political influence within the group's leadership.

A professor of Byzantine history and a key contact for Dr. Hannah Relf within the Oakley Street organization, contributing to its resistance efforts.

Part of the leadership of Oakley Street, serving as the deputy to Lord Nugent. He is instrumental in coordinating efforts against authoritarian forces in the story.