Main Characters Dr. Laszlo Kreizler 18 main appearances John Moore 18 main appearances Sara Howard 18 main appearances DS Marcus Isaacson 18 main appearances DS Lucius Isaacson 18 main appearances Cyrus Montrose 17 main appearances Stevie Taggert 10 main appearances Theodore Roosevelt 10 main appearances Mary Palmer 8 main appearances Libby Hatch 8 main appearances Bitsy Sussman 8 main appearances
Recurring Guest Characters Rosie 4 guest appearances J.P. Morgan 4 guest appearances Mrs. Moore 4 guest appearances Mrs. Van Bergen 4 guest appearances Willem Van Bergen 4 guest appearances Bernie Peterson 4 guest appearances Colleen Ledwidge 4 guest appearances Paulie 4 guest appearances Murphy 4 guest appearances Jacob Riis 3 guest appearances Mrs. Santorelli 3 guest appearances Sally 3 guest appearances Ezra 3 guest appearances Ali Ibn-Ghazi / Fatima 3 guest appearances Paresis Hall Boy #1 3 guest appearances Mayor Lafayette Strong 3 guest appearances Paresis Hall Boy #6 3 guest appearances Edith Roosevelt 3 guest appearances Alice Roosevelt 3 guest appearances Bath House Cop 3 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥