Characters of the Book + 

Philo Vance. + 

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

Margaret Odell (The “Canary”). Famous Broadway beauty and ex-Follies girl, who was mysteriously murdered in her apartment. + 

Amy Gibson. Margaret Odell’s maid. + 

Charles Cleaver. A man-about-town. + 

Kenneth Spotswoode. A manufacturer. + 

Louis Mannix. An importer. + 

Dr. Ambroise Lindquist. A fashionable neurologist. + 

Tony Skeel. A professional burglar. + 

William Elmer Jessup. Telephone operator. + 

Harry Spively. Telephone operator. + 

Alys La Fosse. A musical-comedy actress. + 

Wiley Allen. A gambler. + 

Potts. A street-cleaner. + 

Amos Feathergill. Assistant District Attorney. + 

William M. Moran. Commanding Officer of the Detective Bureau. + 

Ernest Heath. Sergeant of the Homicide Bureau. + 

Snitkin. Detective of the Homicide Bureau. + 

Guilfoyle. Detective of the Homicide Bureau. + 

Burke. Detective of the Homicide Bureau. + 

Tracy. Detective assigned to District Attorney’s office. + 

Deputy-Inspector Conrad Brenner. Burglar-tools expert. + 

Captain Dubois. Fingerprint expert. + 

Detective Bellamy. Fingerprint expert. + 

Peter Quackenbush. Official photographer. + 

Dr. Doremus. Medical Examiner. + 

Swacker. Secretary to the District Attorney. + 

Currie. Vance’s valet. + 