When to Let Go is the second episode of Season 4 and the sixty-third overall of Chicago Med. It is part two of a three-part One Chicago Crossover event with Chicago Fire and Chicago P.D. The event starts with Going To War, continues with "When to Let Go", and concludes with Endings.
Summary[]
The doctors and nurses of Chicago Med find themselves on high alert when an overflow of patients are rushed through the doors of the Emergency Department following a terrifying apartment complex blaze. Dr. Rhodes fights to save the life of one of Chicago Fire's own, while Dr. Halstead and his brother Jay struggle with their own personal battle.
Cast[]
Main Cast[]
- Nick Gehlfuss as Dr. Will Halstead
- Yaya DaCosta as April Sexton
- Torrey DeVitto as Dr. Natalie Manning
- Colin Donnell as Dr. Connor Rhodes
- Brian Tee as Dr. Ethan Choi
- Marlyne Barrett as Maggie Lockwood
- Norma Kuhling as Dr. Ava Bekker
- S. Epatha Merkerson as Sharon Goodwin
- Oliver Platt as Dr. Daniel Charles
Crossover Cast[]
- Jesse Spencer as Matthew Casey
- Taylor Kinney as Kelly Severide
- Kara Killmer as Sylvie Brett
- David Eigenberg as Christopher Herrmann
- Yuri Sardarov as Brian Zvonecek
- Joe Minoso as Joe Cruz
- Christian Stolte as Randall McHolland
- Miranda Rae Mayo as Stella Kidd
- Randy Flagler as Harold Capp
- Jesse Lee Soffer as Jay Halstead
Recurring Cast[]
- Heather Headley as Gwen Garrett
- Brennan Brown as Dr. Sam Abrams
- Nate Santana as Dr. James Lanik
- Louis Herthum as Pat Halstead
- Casey Tutton as Monique Lawson
- Lorena Diaz as Nurse Doris
- Tonray Ho as Nurse Leah
- Jeremy Shouldis as Dr. Marty Peterson
- Desmond Gray as Paramedic Desmond
- C. Anthony Jackson as Security Guard Earl
- Keenan Browder as Security Guard Nate
- LaShawn Hazelwood as Nurse La'Shawn
Guest Cast[]
- Paula Jon DeRose as Leslie Scott
- Adam Jacobs as Ryan Scott
- Fernando del Cuadro as Daniel Mendoza
- Geneva Maccarone as Jane Doe
- Elena Maria Cohen as Blair Scott
- Scott Philyaw as Security Guard #1
- Randall McDonald as Security Guard #2
- Priya Mohanty as Female Patient
- Barbara Blomquist as Distraught Woman
- Angel Preston as Nurse #2
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