Special Guest Stars Nick Gehlfuss as Dr. Will Halstead Eamonn Walker as Battalion Chief Wallace Boden David Eigenberg as Lieutenant Christopher Herrmann Taylor Kinney as Lieutenant Kelly Severide Christian Stolte as Lieutenant Randy "Mouch" McHolland Kara Killmer as Paramedic Sylvie Brett S. Epatha Merkerson as Chief Administrator Sharon Goodwin Torrey DeVitto as Dr. Natalie Manning Jesse Spencer as Matthew Casey Joe Miñoso as Firefighter Joe Cruz Annie Ilonzeh as Paramedic Emily Foster Yaya DaCosta as Nurse April Sexton Miranda Rae Mayo as Firefighter Stella Kidd Dominic Rains as Dr. Crockett Marcel Guest Stars Randy Flagler as Firefighter Harold Capp Kathleen Munroe as Dr. Andrea Danover Alberto Rosende as Candidate Blake Gallo Kyla Kenedy as Amanda Daniel Kyri as Candidate Darren Ritter Aaron Serotsky as Dr. David Seldon Eileen Galindo as Mama Garcia Paloma Nozicka as Carrie White Seldon Co Starring Alejandro Raya as Patrol Officer Caswith Anthony Ferraris as Firefighter Tony Ferraris Andrea Adams as Patrol Officer Lorena Diaz as Nurse Doris Amanda Marcheschi as Nurse Dina Garston Ricky Bartlett as Security Guard #1 Paul Zinke as Jordan Julian Hester as John Sorenstein Christopher R. Ellis as FTO Brett Lee as Shipp Sheri L. Winkelmann as Woman Grant Stokes as Board Member #1 Ben Wilson as Officer Murphy Louise Lamson as Dr. Heather Holcomb Javier Gutiérrez as Driver Scott Morton as Board Member #3 Jeremy Shouldis as Dr. Marty Peterson
