Characters of the Book

• Philo Vance.

• John F.-X. Markham. District Attorney of New York County.

• Mrs. Tobias Greene. The mistress of the Greene mansion.

• Julia Greene. The eldest daughter.

• Sibella Greene. Another daughter.

• Ada Greene. The youngest daughter.

• Chester Greene. The elder son.

• Rex Greene. The younger son.

• Dr. Arthur Von Blon. The Greene family physician.

• Sproot. The Greene butler.

• Gertrude Mannheim. The cook.

• Hemming. The senior maid.

• Barton. The junior maid.

• Miss Craven. Mrs. Greene’s nurse.

• Chief Inspector O’Brien. Of the Police Department of New York City.

• William M. Moran. Commanding officer of the Detective Bureau.

• Ernest Heath. Sergeant of the Homicide Bureau.

• Snitkin. Detective of the Homicide Bureau.

• Burke. Detective of the Homicide Bureau.

• Captain Anthony P. Jerym. Bertillon expert.

• Captain Dubois. Fingerprint expert.

• Dr. Emanuel Doremus. Medical Examiner.

• Dr. Drumm. An official police surgeon.

• Marie O’Brien. A Police nurse.

• Swacker. Secretary to the District Attorney.

• Currie. Vance’s valet.