Lieutenant Valcour

Mrs. Endicott

Valcour suspects Mrs. Endicott of murder and engages in a tense cat-and-mouse game of wits with her.

Roberts

Valcour directs Roberts, his trusted detective sergeant, in gathering evidence and following leads.

Thomas Hollander

Valcour interviews Thomas Hollander as a suspect and witness, probing his alibi and motives.

Dr. Worth

Dr. Worth, the medical examiner, provides Valcour with forensic details and expert analysis.

Cassidy

Cassidy, a police officer, assists Valcour with routine investigative tasks and surveillance.

Marge Myles

Valcour questions Marge Myles for information about the household and Mrs. Endicott's behavior.

Madame Velasquez

Valcour interviews Madame Velasquez, a possible witness or suspect with a mysterious background.

Officer Hansen

Valcour gives orders to Officer Hansen for routine police work and securing the crime scene.

Mr. Smith

Valcour deals with Mr. Smith, a lawyer or associate, who may be protecting Mrs. Endicott's interests.

Miss Murrow

Valcour interviews Miss Murrow to gather observations about the household and Mrs. Endicott.

Mrs. Endicott

Valcour suspects Mrs. Endicott of murder and engages in a tense cat-and-mouse game of wits with her.

Thomas Hollander

Valcour interviews Thomas Hollander as a suspect and witness, probing his alibi and motives.

I: 8:37 p.m.—Spring 3100

A mild-mannered detective who responds to Mrs. Endicott's call and listens to her concerns.

II: 9:24 p.m.—Hallmarks of Murder

Investigates the death scene, calls Dr. Worth and police, examines the bathroom and balcony for clues.

III: 9:45 p.m.—Guards Are Stationed at the Doors

Directs the placement of guards and begins investigating the death, suspecting murder despite the doctor's initial assessment.

IV: 10:02 p.m.—Pale Flares the Darkness

Interviews Mrs. Endicott, probing her relationship with her husband and the details of the evening.

V: 10:17 p.m.—Living or Dead?

Interrogates Mrs. Endicott, probing her story and her knowledge of Marge Myles. He is perceptive and persistent, though he accepts her refusal to name her tea companion.

VI: 10:32 p.m.—Pictures in Dust

Investigates the cupboard, discovers dust streaks, and theorizes about the attacker's use of dust as a disguise. He takes charge of the case.

VII: 11:01 p.m.—Banked Fires

Interviews Mrs. Siddons, questions O'Brian, and investigates the missing hat.

VIII: 11:28 p.m.—Mrs. Endicott Screams

Observes the operation, feels sickened, and plans to guard Endicott. He also probes Roberts about her hatred for Mrs. Endicott.

IX: 11:55 p.m.—Queer Deeps

Interviews Roberts, seeking a friend of Endicott's; probes her emotional state and is slapped by her; copies Hollander's address and is bewildered by Marge Myles's entry.

X: 12:06 a.m.—The Stillness of a Grave

Gives detailed instructions to Hansen and Cassidy for guarding Endicott, emphasizing vigilance and the possibility of an attack.

XI: 12:15 a.m.—To Watch by Night

Orchestrates a plan to have Hollander watch over Endicott while secretly leaving the house to visit Marge Myles.

XII: 12:30 a.m.—Madame Velasquez Stirs Up Muck

Interviews Madame Velasquez, learns about Marge's background, and observes Madame Velasquez's deceptive behavior.

XIV: 2:01 a.m.—An Empty Sheath

Investigates Hollander's apartment, questions Smith, and is attacked.

XVI: 2:13 a.m.—Time Versus Death

Found bound in Hollander's apartment; orchestrates a plan to stop Hollander from killing Endicott.

XVII: 2:40 a.m.—The Angle of Death’s Path

Despite being wounded, he analyzes the shooting angle, concludes his men couldn't have fired the fatal shot, and suspects the murderer is still in the house.

XVIII: 3:00 a.m.—Thin Haze of Dread

Interrogates Hollander, reconstructs the crime, and feels an inexplicable dread.

XIX: 3:15 a.m.—The Properties of Horror

Interviews Nurse Vickers, deduces the shooter must have come from Mrs. Endicott's room, and notes the cooler room temperature as a clue.

XX: 3:24 a.m.—On Private Heights

Interrogates Miss Roberts, using psychological tactics to draw out her emotions and contradictions.

XXI: 3:51 a.m.—A Woman’s Slipper

Interrogates Miss Roberts and examines the balcony, finding a woman's slipper.

XXII: 4:14 a.m.—Tap—Tap—Tap

Devises an experiment to expose Mrs. Endicott's faked unconsciousness, using the slipper as a psychological tool.

XXIII: 4:29 a.m.—A Turn of the Screw

Interrogates Mrs. Endicott, searches her room, and arrests her as a material witness.

XXIV: 4:41 a.m.—As the Colours of Dawn

Reflects on Mrs. Endicott's innocence, orders a search for the revolver, examines Endicott's papers, and notices a faint scent.

XXV: 5:01 a.m.—Lunatic Vistas

Receives the forensic report, questions his own confidence in Mrs. Endicott's innocence, and deals with Madame Velasquez's claims about Marge's death.

XXVI: 5:25 a.m.—There Was a Sailor

Interrogates Mrs. Siddons about Endicott's past actions and develops a new theory involving a sailor husband.

XXVII: 5:46 a.m.—Mrs. Endicott Cannot Be Found

Investigates Mrs. Endicott's disappearance, deduces the murderer fired the first shot, and finds a letter from Marge Myles.

XXVIII: 6:00 a.m.—Mist Drifting Through Mist

Intervenes to prevent Mrs. Endicott's suicide and interrogates her about her motives and actions.

XXIX: 6:30 a.m.—As Is Mirage

Presents his detailed theory to Mrs. Endicott, accusing Marge Myles of the murder and suggesting Mrs. Endicott is hiding her or shot Endicott herself.

XXX: 7:11 a.m.—The Criminal and Weapon of the Crime

Investigates the crime scene, reads Marge's letter, and confronts Marge Myles, who threatens him with a gun.

XXXI: 8:37 p.m.—Five Years Later

Now an Inspector, he reflects on the past case and his belief that Mrs. Hollander was the true murderer.