One Chicago & The FBIs Wiki
Lesser of Two Evils
Season: 4
Episode: 6
Original airdate: October 31, 2018
Written by: Safura Fadavi
Meridith Friedman
Directed by: Martha Mitchell
Episode chronology
Previous episode: What You Don't Know
Next episode: The Poison Inside Us


Dr. Manning and Dr. Halstead become skeptical of a patient's injuries when the victim of a car accident is brought into the hospital. Ethan and April have a difficult time understanding Emily's attachment to her boyfriend despite recent developments. Will and Natalie brace for their joint bachelor/bachelorette party.


Main Cast

Guest Stars


  • Lorena Diaz as Nurse Doris
  • Casey Tutton as Nurse Monique Lawson
  • Tonray Ho as Nurse Leah
  • Patricia Kane as Nurse Sandra Kent
  • Michelle Shelton-Huff as Alyssa Thompson
  • Courtney Rioux as Paramedic Courtney
  • Desmond Gray as Paramedic Desmond
  • Elena Marisa Flores as Officer Rosado
  • Katrina Love as Nurse Katrina
  • Walter S. Bernard as Dan
  • Ted Sima as Bob
  • Kirk Osgood as Barista


Background information and Notes


Chicago Med season 4
Episodes Be My Better HalfWhen to Let GoHeavy is the HeadBacked Against the WallWhat You Don't KnowLesser of Two EvilsThe Poison Inside UsPlay by My RulesDeath Do Us PartAll the Lonely PeopleWho Can You TrustThe Things We DoGhosts in the AtticCan't Unring That BellWe Hold These TruthsOld Flames, New SparksThe Space Between UsTell Me the TruthNever Let You GoMore Harm Than GoodForever Hold Your PeaceWith a Brave Heart
Other Seasons Season 1Season 2Season 3Season 5Season 6Season 7Season 8