PHILO VANCE
JOHN F.-X. MARKHAM--District Attorney of New York County.
ERNEST HEATH--Sergeant of the Homicide Bureau.
MRS. ANTHONY LLEWELLYN--A prominent social worker.
RICHARD KINKAID--Her brother, and owner of the Casino.
AMELIA LLEWELLYN--Her daughter; an art student.
LYNN LLEWELLYN--Her son, a night-club habitué and gambler.
VIRGINIA LLEWELLYN--Lynn Llewellyn's wife: formerly Virginia Vale,
a musical-comedy star.
MORGAN BLOODGOOD--Former instructor in mathematics, and Kinkaid's
chief croupier.
DOCTOR ALLAN KANE--A young doctor; friend of the Llewellyns.
DOCTOR ROGERS--A physician.
DOCTOR ADOLPH HILDEBRANDT--Official Toxicologist.
SMITH--The Llewellyn butler.
HENNESSEY--Detective of the Homicide Bureau.
SNITKIN--Detective of the Homicide Bureau.
SULLIVAN--Detective of the Homicide Bureau.
BURKE--Detective of the Homicide Bureau.
DOCTOR EMANUEL DOREMUS--Medical Examiner.
CURRIE--Vance's valet.