HELEN SMITH - about 19, pretty but rather intense young woman, suggesting a mysterious background.
JOHN RANDALL - any age. A dark, handsome individual, foreign in appearance.
MRS. EDWARDS - about 25, a tall blonde girl, mature in appearance.
SERGEANT KENNEDY - any age. A hard-boiled New York detective, solid-looking and tenacious, but not very intelligent.
LEE - a young Chinese man of about 25. Deliberate and scholarly in manner.
MRS. INGLEFRITZ - about 35. A fat, dumpy woman, slangy and coarse in speech. Wears very cheap and flashy clothes.
ELOISE - about 9. Mrs. Inglefritz's little girl and a brat!
WILLIAM RUSSELL - about 24. Tall, good-looking, athletic in appearance.
DR. MARTIN EDWARDS - about 35. A dignified, well dressed man, who constantly gives the impression of knowing much more than he imparts.
MRS. THURSTON-ALLEN - about 50. A large handsome woman of the society dowarger type.
SCHULTZ - any age. A New York policeman.
MARTHA GREGORY - about 19. Pretty in a weak, colorless way.
SALLY LYNCH - about 24. A tough, hard-boiled young woman who has had to fight her way in the world. Wears an usher's uniform.
IVAN STRANGE - about 25. A tall, dark, suave young man. He should be oily in appearance, but smooth in speech.