These Bloody Thoughts[2] is the fourth episode of ‘The Alienist.’ It premiered on Monday, February 12, 2018, at 9 p.m. ET/PT across TNT platforms.


Kreizler (Daniel Brühl) and Sara (Dakota Fanning) discuss the capacity to kill. Moore (Luke Evans) goes on a date. Byrnes (Ted Levine) and Captain Connor (David Wilmot) keep an eye on a potential suspect. Roosevelt (Brian Geraghty) finds himself under public scrutiny. [2]

Cast Edit

Starring Edit

Guest StarringEdit


  • Oliver Cater as Rosie
  • Eugenia Caruso as Mrs. Santorelli
  • Giovanni Scotti as Enzo Santorelli
  • Laurel Lefkow as Mrs. Isaacson
  • Kate Dickie as Scotch Ann
  • Max Fincham as Thomas
  • Amanda Hadingue as Mrs. Gorenko
  • Katherine Kingsley as Mrs. Williams
  • Ash Matthews as Charles Blythe
  • Roland Miskey as Ezra Mills
  • Tommy Rodger as Peter
  • Philip Rosch as Cahill
  • Klári Tolnai as Ruth
  • Fernanda Dorogi as Mother in Park
  • Francis McBurney as O'Rourke Bartender
  • Helena Albright as Young Park Girl #1
  • Heather Clementson as Young Park Girl #2
  • Peter Schueller as Crank Operator
  • Gábor Urmai as Dentis Patient
  • Béla Gados as Counter Clerk
  • Owen Good as Operator / Male
  • Harvey Weedon as Paresis Hall Boy #1
  • Gergely Káli as Flirty Young Man
  • David Z. Miller as Handsome Young Man


Lincoln Steffens: "Is it true that the dead boy was dressed as a girl, Commissioner Rosevelt?!"
Dr. Kreizler (to John Moore): "What we are missing, John, is not how he kills, but why and most importantly, when will he kill again?"


Photo by Kata Vermes and Jesse Giddings. [Courtesy of TNT Pressroom]

Photo by Kata Vermes and Jesse Giddings. [Courtesy of TNT Pressroom]



  • The episode covers from Chapter Sixteen to Chapter Twenty of Part II of Caleb Carr's novel, with several changes and additions of few original scenes.


  1. ‘The Alienist’ Crime Report
  2. 2.0 2.1 ‘The Alienist’ Episode Synopses on Turner Pressroom