- Steven Weber (Dr. Dean Archer)
- Jessy Schram (Dr. Hannah Asher)
- Luke Mitchell (Dr. Mitchell 'Mitch' Ripley)
- Sarah Ramos (Dr. Caitlin Lenox)
- Darren Barnet (Dr. John Frost)
- S. Epatha Merkerson (Sharon Goodwin)
- Oliver Platt (Dr. Daniel Charles)
Chicago Med — S4E5
Episode: What You Don't Know
Air Date: 2018-10-24
Runtime: 42 min
Overview
When things become complicated, Will is forced to lie to Natalie. Ethan and April find out some compromising information about Emily's boyfriend and Ava is unsure of what to do with a patient who is refusing treatment.