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I Will Do No Harm
Season: 5
Episode: 15
Original airdate: February 26, 2020
Written by: Joseph Sousa
Danny Weiss
Directed by: Vanessa Parise
Episode chronology
Previous episode: It May Not Be Forever
Next episode: Who Should Be the Judge


Dr. Charles and Dr. Manning treat a patient who is fully invested in pretending to be someone other than himself. Noah begins to doubt his abilities as a doctor. Dr. Marcel and Dr. Choi are faced with a tough ethical decision. Dr. Halstead puts his faith in an addict.


Main Cast

Guest Stars

  • Jessy Schram as Doctor Hannah Asher
  • Roland Buck III as Doctor Noah Sexton
  • Alex Draper as Derek Jordan
  • Stephanie Lemelin as Elaine Beck
  • John Lutz as Larry Simpson
  • Kenesha Reed as Siana Fredericks
  • Chandler Head as Harper Beck


  • Lorena Diaz as Nurse Doris
  • Marie Tredway as Nurse Trinidad "Trini" Campos
  • Kristina Valada-Viars as Nurse Maya Diaz
  • Sadieh Rifai as Nurse Connie
  • Courtney Rioux as Paramedic Courtney
  • Lance Baker as Walter Hobbs
  • Carl Herzog as Officer Durst
  • David Leonard as Officer Garvey
  • Damon Royster as Prison Paramedic
  • Amy J. Carle as Doctor Olga Patchefsky
  • Deanna L. Myers as Doctor Betty Dunn
  • Tonray Ho as Nurse Leah
  • C. Anthony Jackson as Security Guard Earl
  • Nastacia Guimont as Nurse Stephanie Mynes


Background information and Notes


Chicago Med season 5
Episodes Never Going Back to NormalWe're Lost in the DarkIn the Valley of the ShadowsInfection, Part IIGot a Friend in MeIt's All in the FamilyWho Knows What Tomorrow BringsToo Close to the SunI Can't Imagine the FutureGuess It Doesn't Matter AnymoreThe Ground Shifts Beneath UsLeave the Choice to SolomonPain Is for the LivingIt May Not Be ForeverI Will Do No HarmWho Should Be the JudgeThe Ghosts of the PastIn the Name of LoveJust a River in EgyptA Needle in the Heart
Other Seasons Season 1Season 2Season 3Season 4Season 6Season 7