Hugh Drummond

Carl Peterson

Carl Peterson is Hugh Drummond's arch-nemesis, a criminal mastermind constantly plotting against him.

Ted Jerningham

Ted is one of Hugh's closest friends and a loyal ally in his adventures.

Phyllis Benton

Phyllis is Hugh's fiancée, and their relationship is loving and supportive.

Sir Bryan Johnstone

Sir Bryan is Hugh's superior in the intelligence service, giving him orders and support.

Charles Latter

Charles Latter is a rival and antagonist to Hugh, often working against him.

Inspector McIver

Inspector McIver is a police officer who collaborates with Hugh on cases.

Ginger Martin

Ginger is one of Hugh's loyal friends and a member of his gang.

Mr. William Atkinson

Mr. Atkinson is a colleague or contact of Hugh in his investigative work.

Yulowski

Yulowski is an enemy agent working with Carl Peterson against Hugh.

Algy Longworth

Algy is a close friend and companion of Hugh, often joining his escapades.

Delmorlick

Delmorlick is an antagonist who opposes Hugh Drummond.

Count Zadowa

Count Zadowa is an enemy of Hugh, involved in criminal plots.

I: In Which Things Happen Near Barking Creek

The masked leader, though not named, is implied to be Drummond, orchestrating the raid with a deep voice and commanding presence.

In Which Scotland Yard Sits Up and Takes Notice

Visits Sir Bryan and recounts finding a doped man in Piccadilly Circus, connecting to McIver's case.

In Which Hugh Drummond Composes a Letter

Plans to infiltrate Lady Manton's house using a false letter, showing his cunning and determination.

In Which Count Zadowa Gets a Shock

Disguised as a rough customer, he incapacitates the clerk and infiltrates the building, likely causing the Count's shock.

In Which Charles Latter, M.P., Goes Mad

Reveals himself as the leader of the Black Gang and confronts Charles Latter, tying him up and staging a fake explosion to drive him mad.

VI: In Which an Effusion Is Sent to the Newspapers

Cheerfully meets McIver at the Regency club, offering cocktails and deflecting serious conversation.

In Which a Bomb Bursts at Unpleasantly Close Quarters

Leads the Black Gang on a final coup, planning to break into a house in Hoxton. He is determined and confident, though he senses danger during the operation.

In Which the Bag of Nuts Is Found by Accident

Survives the bomb explosion, finds the bag of diamonds, and vows to avenge Ginger Martin's death.

X: In Which Hugh Drummond Makes a Discovery

At the Ritz, he recognizes the disguised Carl Peterson by his finger-drumming habit, and becomes suspicious of the clergyman.

XI: In Which Hugh Drummond and the Reverend Theodosius Longmoor Take Lunch Together

Recognizes Peterson in disguise and engages in a verbal duel, revealing his awareness of Peterson's identity and the stolen diamonds.

In Which Count Zadowa Is Introduced to Alice in Wonderland

Confronts Mr. Atkinson, recognizes him as the bomb-thrower, and flogs him before kicking him out of the house.

In Which Hugh Drummond and the Reverend Theodosius Have a Little Chat

Discovers his wife's kidnapping and confronts Peterson, demanding her safe return.

In Which a Rolls-Royce Runs Amok

Drugged and paralyzed, he is taunted by Peterson and realizes he is trapped, with his life and Phyllis's safety at stake.

In Which Hugh Drummond Arrives at Maybrick Hall

Survives being thrown into a river, escapes, and arrives at Maybrick Hall to rescue Phyllis.

In Which Things Happen at Maybrick Hall

Leads Phyllis to safety, discovers the electrified fence, and uses guerrilla tactics to attack the pursuers, throwing them against the live wires.

In Which a Murderer Is Murdered at Maybrick Hall

Captured and unarmed, he tries to gain time, hoping Peter Darrell will arrive. He nearly kills Peterson in a rage but is stopped by Phyllis.

In Which the Home Secretary Is Taught the Foxtrot

Revealed as the leader of the Black Gang; warned to disband but hints at future actions; appears at the ball in disguise.