Thalia Drummond

Felix Marl

Felix Marl is deeply in love with Thalia Drummond, though their relationship is complicated by his criminal ties and her own secrets.

Derrick Yale

Derrick Yale is romantically interested in Thalia Drummond, creating a love triangle with Felix Marl.

Mr. Parr

Mr. Parr exerts a manipulative and controlling influence over Thalia Drummond, using her for his own ends.

Milly Macroy

Milly Macroy is a close friend and confidante to Thalia Drummond, offering support and loyalty.

Harvey Froyant

Harvey Froyant is an acquaintance of Thalia Drummond, interacting with her in social and investigative contexts.

Raphael Willings

Raphael Willings is a social acquaintance of Thalia Drummond, moving in the same circles.

Mr. Barnet

Mr. Barnet interacts with Thalia Drummond as a household servant, maintaining a formal distance.

Felix Marl

Felix Marl is deeply in love with Thalia Drummond, though their relationship is complicated by his criminal ties and her own secrets.

Derrick Yale

Derrick Yale is romantically interested in Thalia Drummond, creating a love triangle with Felix Marl.

Felix Marl

Felix Marl is deeply in love with Thalia Drummond, though their relationship is complicated by his criminal ties and her own secrets.

Mr. Parr

Mr. Parr exerts a manipulative and controlling influence over Thalia Drummond, using her for his own ends.

Derrick Yale

Derrick Yale is romantically interested in Thalia Drummond, creating a love triangle with Felix Marl.

The Crimson Circle

Mentioned in relation to the unfolding events surrounding the Crimson Circle.

Prologue: The Nail

Mentioned as being affected by the events; she would later be described as 'a thief and the associate of thieves.'

The Girl Who Was Indifferent

Secretary to Harvey Froyant, she is indifferent to Jack's attentions and speaks to him with cool directness.

The Girl Who Ran

Seen emerging from the wood, wiping blood from her hands, and hiding a revolver under a floorboard.

VI: “Thalia Drummond Is a Crook”

Seen leaving a pawnbroker's shop; Parr identifies her as a crook and companion of criminals.

The Stolen Idol

Pledges a golden Buddha at a pawnbroker; arrested by Inspector Parr.

The Charge

Coolly admits to stealing the Buddha and reveals a Crimson Circle threat letter.

IX: Thalia in the Police Court

Appears in police court charged with theft; shows composure but later displays emotion when confronted by Jack Beardmore.

X: The Summons of the Crimson Circle

Returns to her lodging after imprisonment, places a job advertisement, and receives the Crimson Circle's summons.

The Confession

Meets the mysterious driver in Steyne Square, accepts a job at Brabazon's Bank, and is shadowed by Parr.

Mr. Marl Squeezes a Little More

Now employed as Brabazon's private secretary; receives instructions from the Crimson Circle to spy on Marl and report on Parr and Yale.

XIV: Thalia Is Asked Out

Accepts Marl's dinner invitation; coolly confronts Milly Macroy's accusations of theft; hints at involvement in larger schemes.

Thalia Joins the Gang

Agrees to participate in Barnet's scheme to rob Felix Marl, showing her deepening involvement in crime.

Mr. Marl Goes Out

Dines with Marl, defends herself with a Mills bomb, escapes his house.

XVIII: “Flush” Barnet’s Story

Thalia is referenced as the woman Marl was sweet on and who Barnet used as an opportunity to burgle; Parr suspects she will get another job.

Thalia Accepts an Offer

Accepts Yale's offer of employment as his secretary, despite her reputation for theft.

The Key of River House

Thalia has been engaged as Derrick Yale's secretary. She visits Jack to collect the key to his riverside house on Yale's behalf and exchanges sharp words with Parr, showing defiance and amusement.

River House

Returns to the office, interacts with Yale, and secretly telegraphs Johnson about Yale's search.

The Messenger of the Circle

Yale sends her home to avoid involvement; Jack Beardmore thinks of her and doubts her guilt.

XXIII: The Woman in the Cupboard

Emerges from the cupboard in Yale's office after the attack and escapes the building.

£10,000 Reward

Reads the reward poster from a bus and smiles to herself.

The Bottle of Chloroform

Writing a letter when Milly Macroy visits; agrees to help Flush Barnet by speaking to Derrick Yale; possesses a bottle of chloroform in her kitchen.

A Shot in the Night

Mentioned as having asked Inspector Parr for Jack's address earlier that day, raising suspicion about her involvement.

XXX: The Silencing of Froyant

Receives a package from the Crimson Circle with a knife and glove, and is instructed to enter Froyant's house via an underground shelter.

XXXI: Thalia Answers a Few Questions

Shows signs of fatigue and evasiveness under questioning; admits to knowing about Froyant's bombproof room and is confronted about trailing Jack Beardmore.

The Posters

Mentioned by Parr as a potential target for the Crimson Circle's vengeance due to Jack's affection for her.

Blackmailing a Government

Working as Yale's secretary, she reads about the Crimson Circle's blackmail with interest; receives a phone call from Jack Beardmore about Felix Marl's papers and urges him to keep them secret.

Thalia Lunches with a Cabinet Minister

Lunches with Raphael Willings on his invitation, is dismissed by Yale for disobeying orders, and receives a letter from the Crimson Circle with further instructions.

The Circle Meets

Attends the Crimson Circle meeting, transforms her appearance afterward, and dines at the Merros Club with Raphael Willings, where she sees Jack Beardmore.

XXXVII: “I Will See You—If You Are Alive”

Thalia appears in Jack's bedroom, having taken the sealed photograph. She confesses she was in the house when the Crimson Circle burgled it, and she dictates a letter to Inspector Parr, warning Jack he may not survive the night.

The Arrest of Thalia

Visits Raphael Willings, defends herself by stabbing him, escapes, and is arrested for attempted murder.

A Prison Diet

Arrested for stabbing Willings; remanded in custody; refuses to see Parr alone in her cell.

The Escape

Escapes from Holloway Prison under mysterious circumstances, deepening suspicion of her involvement with the Crimson Circle.

Who Is the Crimson Circle?

Escapes from prison and ransacks Yale's office and flat, stealing documents; identified by Yale as the true mastermind of the Crimson Circle.

XLII: Mother

Revealed as Thalia Drummond Parr, Inspector Parr's daughter, who worked undercover against the Crimson Circle.

The Story Continued

Heroine of the hour; she witnessed Yale's self-chloroforming and saved Raphael Willings from being murdered by Yale.