What's Hiding in the Dark?

What's Hiding in the Dark?
Air date	October 29, 2025
Runtime	42 minutes
Production information
Directed by	Rashidi Harper
Written by	Meridith Friedman
Series information
Previous	Found Family
Next	The Story of Us

What's Hiding in the Dark is the fifth episode of Season 11 and 203rd overall of Chicago Med. It aired on October 29, 2025.

Summary

A personal clash between Asher and Archer reaches a breaking point. Charles and Ripley uncover a rare neurological disorder in a patient. Goodwin's personal life is put to the test.

Cast

Main Cast

• Steven Weber as Dr. Dean Archer
• Jessy Schram as Dr. Hannah Asher
• Luke Mitchell as Dr. Mitch Ripley
• Sarah Ramos as Dr. Caitlin Lenox
• Darren Barnet as Dr. John Frost
• S. Epatha Merkerson as Sharon Goodwin
• Oliver Platt as Dr. Daniel Charles

Crossover Cast

• Marina Squerciati as Kim Burgess

Recurring Cast

• Logan Miller as Kip Lenox
• Gregory Alan Williams as Bert Goodwin
• Holly Curran as Sadie Smith
• Lorena Diaz as Doris Perez
• Lynnette Li as Nurse Nancy
• Cesar Jaime as Paramedic Cesar

Guest Cast

• May Lansing as Emelia Smith
• Kim Quindlen as Nurse Kacy
• Tonray Ho as Admitting Clerk Leah
• Abby Corrigan as Dr. Vera Lovell
• Peter Francis James as Franklin Burnett
• Mark Linn-Baker as Howie Mankiewicz
• Sheria Irving as Tamika Jenkins
• Cary Christopher as Lucas Early
• Inny Clemons as Tim Miller
• Genevieve Venjohnson as Lisa Miller
• CC Castillo as Noelle Herrera
• Anna Harriette Pittman as Jenny Roselle
• Justin James Boykin as Steve
• Maya Tanka Allwardt as Amy Keening
• Annie Hogan as Betty
• Blake Slodki as Malcolm
• Michael Fatigato as Contractor

Gallery