Main Characters Dr. Daniel Charles 173 main appearances Chief Administrator Sharon Goodwin 173 main appearances Charge Nurse Maggie Lockwood 159 main appearances Dr. Will Halstead 163 main appearances Dr. Ethan Choi 135 main appearances Nurse April Sexton 119 main appearances Dr. Natalie Manning 120 main appearances Dr. Crockett Marcel 89 main appearances Dr. Connor Rhodes 84 main appearances Dr. Sarah Reese 61 main appearances Dr. Dean Archer 11 main appearances Dr. Hannah Asher 40 main appearances Dr. Ava Bekker 41 main appearances Dr. Dylan Scott 23 main appearances Dr. Stevie Hammer 14 main appearances Dr. Mitch Ripley 2 main appearances
Recurring Guest Characters Susan Charles 5 guest appearances Pawel Wapniarski 5 guest appearances Dr. Margo Collins 5 guest appearances Jenifer Baker 4 guest appearances Sal Baker 4 guest appearances Danny Jones 4 guest appearances Lawrence Dayle 4 guest appearances Captain Matthew Casey 4 guest appearances Battalion Chief Wallace Boden 4 guest appearances Eric Jenkins 4 guest appearances Debra McCormick 4 guest appearances Perfusionist Roy Bellino 4 guest appearances Firefighter Harold Capp 4 guest appearances Ray Burke 4 guest appearances Tommy Burke 4 guest appearances Detective Hailey Upton 4 guest appearances Dr. Amy Watkins 4 guest appearances Nurse Amy 4 guest appearances Radiologist Eliza Young 4 guest appearances CT Tech Charlotte Rosales 4 guest appearances ⇤ « 2 3 4 5 6 7 8 9 10 11 » ⇥