Chicago Med season 4

The fourth season of Chicago Med, an American medical drama television series with executive producer Dick Wolf, and producers Michael Brandt, Peter Jankowski, Andrew Schneider and René Balcer (uncredited), was ordered on May 9, 2018. The season premiered on September 26, 2018, with a time slot change from Tuesday at 10:00 PM to Wednesday at 8:00 PM. The season concludes on May 22, 2019, and contained 22 episodes.

Cast

Main characters

Nick Gehlfuss as Dr. Will Halstead, Attending Emergency Physician
Yaya DaCosta as April Sexton, RN
Torrey DeVitto as Dr. Natalie "Nat" Manning, Emergency Medicine/Pediatrics Fellow
Colin Donnell as Dr. Connor Rhodes, Attending Trauma Surgeon
Brian Tee as LCDR Dr. Ethan Choi, Attending Emergency Physician
Marlyne Barrett as Maggie Lockwood, RN, ED Charge Nurse
Norma Kuhling as Dr. Ava Bekker, Cardiothoracic Surgery Attending
S. Epatha Merkerson as Sharon Goodwin, Chief of Patient Services
Oliver Platt as Dr. Daniel Charles, Chief of Psychiatry

Recurring characters

Guest stars

Rachel DiPillo as Dr. Sarah Reese (episode 1)
Michel Gill as Robert Haywood (episode 1)
Eddie Jemison as Dr. Stanley Stohl (episode 1)
Marc Grapey as Peter Kalmick (episode 11)

Crossover characters

Jesse Spencer as Captain Matthew Casey
Taylor Kinney as Lieutenant Kelly Severide
Eamonn Walker as Chief Wallace Boden
David Eigenberg as Lieutenant Christopher Hermann
Yuri Sardarov as Firefighter Brian "Otis" Zvonecek
Joe Minoso as Firefighter Joe Cruz
Christian Stolte as Firefighter Randy "Mouch" McHolland
Miranda Rae Mayo as Firefighter Stella Kidd
Randy Flagler as Firefighter Harold Capp
Kara Killmer as Paramedic in Charge Sylvie Brett
Jason Beghe as Sergeant Hank Voight
Jesse Lee Soffer as Detective Jay Halstead
Tracy Spiridakos as Detective Hailey Upton
Patrick John Flueger as Adam Ruzek
Marina Squerciati as Officer Kim Burgess

Episodes

Production

Casting

Having made her first appearance in the finale of season 3, Heather Headley is set to recur in season 4 as Chicago Med's new COO, Gwen Garrett.

On July 23, 2018, it was announced that Molly Bernard and Colby Lewis would be joining the cast as med students Elsa Curry and Terry McNeal respectively.

After three seasons as Dr. Sarah Reese, Rachel DiPillo left the series during the season premiere of Season 4.

On April 19, 2019, NBC announced that Colin Donnell and Norma Kuhling would depart the series at the end of the season due to creative reasons. Donnell and Kuhling appeared in the season 5 premiere to wrap up their character's storyline.