Guest Stars Marlyne Barrett as Charge Nurse Maggie Lockwood Marc Grapey as Peter Kalmick Brennan Brown as Dr. Samuel Abrams Jesse Lee Soffer as Detective Jay Halstead Kara Killmer as Paramedic Sylvie Brett David Eigenberg as Lieutenant Christopher Herrmann Maria Rivera as Mariana Acosta Adam Farabee as Jamie Delson Gregory Abbey as Joe Donahue Marika Engelhardt as Beth Donahue Audrey Francis as Margie Cavanaugh Co Starring Lorena Diaz as Nurse Doris Cesar Jaime as Paramedic Cesar Desmond Gray as Paramedic Desmond Tonray Ho as Nurse Leah Amanda Marcheschi as Nurse Dina Garston Amy J. Carle as Dr. Olga Patchefsky Alex Weisman as Paramedic Allen Chout Miriam Lee as Paramedic Miriam Nick Mayer as Paramedic Sasha Rossof as Rachel Lewis Stephanie Diaz as Yolanda Cruz Jon Bradford as David Lewis Kristie Berger as Linda Dilson Stephanie Monday as Anesthesiologist Devin Demby as Orderly W. Matt Daniels as Gunshot Victim Brian Rife as Paramedic #1 Rahm Emanuel as Himself Audrey Morgan as Mary