Dr. Laszlo Kreizler The "alienist" whose unorthodox practice in the new area of psychology amazes some--and angers others. Steve "The Stevepipe" Taggert The young former second-story man and lethal lead pipe wielder is now horseman and driver to Dr. Kreizler--and the narrator of our tale. Marcus and Lucius Isaacson Bickering brothers and excellent New York City detectives. Their work with fingerprinting and ballistics has broken new ground in an area known as forensic science. John Schuyler-Moore Drinker, New York Times reporter, and cynic extraordinaire. Quick to indict--but slow to catch on. Sara Howard The derringer-toting, willful feminist whose private investigation firm helps women in need. Cyrus Montrose Dr. Kreizler's strong and compassionate right hand man. Libby Hatch a.k.a. Elspeth Hunter Heroic nurse and loving mother--or ruthless murderer of children? The Dusters A lawless gang of street urchins led by Mr. GooGoo Knox and a man known to the authorities only as Ding Dong. Elizabeth Cady Stanton The suffragist who, in this episode, may have unwittingly taken the wrong side. Albert Pinkham Ryder A painter--known as "Pinkie" by some--who comes to the aid of a woman in distress. Clarence Darrow The attorney who participates in a tense courtroom drama where the sanctity of motherhood itself is put on trial.