- 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)
Episode: iNO
Air Date: 2015-11-24
Runtime: 48 min
Dr. Choi treats a teen mother who abandoned her newborn baby in an alley, as the staffers must make difficult decisions about the teen's future. Also, a hypochondriac with chest pains is treated, as is a patient suffering from possible dementia.