Albert Campion

Michael Prenderby

Campion and Prenderby are acquaintances among the house party, sharing a casual social connection.

Chris Kennedy

Campion and Kennedy are allies, with Kennedy often assisting Campion in his subtle investigations.

Meggie Oliphant

Campion is a friendly and protective presence toward Meggie, offering support without romantic entanglement.

Martin Watt

Campion and Watt are friendly acquaintances, cooperating during the investigation.

Meggie Oliphant

Campion is a friendly and protective presence toward Meggie, offering support without romantic entanglement.

Martin Watt

Campion and Watt are friendly acquaintances, cooperating during the investigation.

Chris Kennedy

Campion and Kennedy are allies, with Kennedy often assisting Campion in his subtle investigations.

Michael Prenderby

Campion and Prenderby are acquaintances among the house party, sharing a casual social connection.

Chris Kennedy

Campion and Kennedy are allies, with Kennedy often assisting Campion in his subtle investigations.

Martin Watt

Campion and Watt are friendly acquaintances, cooperating during the investigation.

Michael Prenderby

Campion and Prenderby are acquaintances among the house party, sharing a casual social connection.

Meggie Oliphant

Campion is a friendly and protective presence toward Meggie, offering support without romantic entanglement.

The Crime at Black Dudley

An enigmatic and seemingly foolish guest who proves to be more perceptive than he appears.

Candlelight

A seemingly foolish young man with tow-colored hair and spectacles, introduced as a 'silly ass' who performs conjuring tricks.

II: The Ritual of the Dagger

Interjects with his characteristic absurd drawl, asking about the ritual and comparing it to a conjuring trick.

In the Garage

Appears in the garage, speaking in an idiotic manner; avoids the ritual; later tactfully leaves Abbershaw and Meggie alone.

VI: Mr. Campion Brings the House Down

Found grappling with the drunken butler; fully dressed at 4 AM, claims he was going for an early walk but his explanation is suspicious.

Five O'Clock in the Morning

Discussed as an uninvited guest; Anne reveals she brought him and introduced him to Wyatt.

VIII: Open Warfare

Sits next to Anne Edgeware; defuses tension by offering a breakfast egg as a decoy.

IX: Chris Kennedy Scores a Try Only

Makes a fatuous remark about theft, then mysteriously vanishes from beside Anne Edgeware, causing panic.

X: The Impetuous Mr. Abbershaw

Has disappeared, causing anxiety among the guests; his absence is noted.

XI: One Explanation

Campion is found locked in a wardrobe, badly beaten by Dawlish and von Faber. He explains his undercover mission and reveals von Faber's identity.

XII: “Furthermore…" Said Mr. Campion

Narrates his attempt to steal the wallet, his escape plan, and the loss of the wallet; expresses fear of guns and horror at the murder.

XIII: Abbershaw Sees Red

Previously suggested Meggie might be the next victim; is brushed aside by Abbershaw who uses the hidden passage Campion discovered.

XVII: In the Evening

Makes a dramatic entrance by descending the chimney, offering to lead Meggie and Abbershaw to safety.

Mr. Kennedy's Council

Appears foolish but makes pointed remarks; volunteers to stay with the girls; muses on the burned papers' value.

XIX: Mr. Campion’s Conjuring Trick

Executes a conjuring trick as a diversion, then physically subdues a manservant and later disarms Gideon and his companion with a Webley.

XX: The Roundup

Guides Abbershaw through the house, disables Wendon, fires a warning shot in the brewhouse, and orchestrates the group's escape.

XXI: The Point of View of Benjamin Dawlish

Unusually quiet and anxious, betraying his concern for the group's predicament.

XXII: The Darkest Hour

Maintains a grimly humorous demeanor, offering half-cigarettes and trying to cheer the group; reveals his profession as a secret agent of sorts, working for the government and private clients.

XXIII: An Error in Taste

Recognizes Guffy Randall, warns about the horses, and deduces that Dawlish may be acting alone.

The Last of Black Dudley

Drives to London with Abbershaw, discusses the murder, and playfully evades revealing his true identity.