Nbc Shows

"- Dr. Daniel Charles: Chief of Psychiatry"

"- April Sexton: ED nurse"

"Torrey DeVitto - Dr. Natalie Manning: ED pediatrician"

"- Dr. Will Halstead: Emergency Department Chief Resident (season 1) and attending (season 2 onwards)"

"- Dr. Stanley Stohl: Chief of Emergency Medicine"

"- Maggie Lockwood: ED charge nurse"

"- Dr. Sarah Reese: 4th year medical student (season 1) and psychiatry resident (season 2 onwards)"

"- Dr. David Downey: cardiothoracic surgeon (season 1 only)"

"- Dr. Connor Rhodes: trauma surgical fellow"

"A new Marsupilami short."

"Ether Sebastian the Crab or Shookums and Meat short."

"A Marsupilami short from Disney's Raw Toonage."

"as Allison Rafferty: Paramedic in Charge, Ambulance 61 (Season 2)"

"as Firefighter now Lieutenant Jeff Clarke: Rescue Squad 3 (Season 2)"

"Tony Ferraris as himself: Rescue Squad 3"

"as Firefighter Candidate Jimmy Borrelli (Seasons 4 — 5)"

"as Firefighter Jose Vargas: Rescue Squad 3 (Season 1)"

"as Rick Newhouse: Rescue Squad 3 (Season 2 — present)"

"as Randy "Mouch" McHolland: Truck Co. 81 (Season 1 — present)"

"Charlie Barnett as Firefighter / Paramedic in Charge Peter Mills: Ambulance 61 (Season 1 — Season 3)"

"as Dr. Hallie Thomas (Season 1 only)"

"as Paramedic Leslie Shay: Ambulance 61 (Seasons 1 — 2)"

"as Lieutenant Matthew Casey: Truck Company 81 (Season 1 — present)"

"as Lieutenant Kelly Severide: Rescue Squad 3 (Season 1 — present)"

"as Paramedic in Charge / Firefighter Gabriela Dawson (Season 1 — 6 Guest: 7-8)"

"as Nancy Casey: mother of Matthew Casey (Season 1)"

"as Sharon Goodwin: Chief Administrator of Gaffney Chicago Medical Center"

"as Dr. Will Halstead: brother of Jay Halstead"

"as Detective Jay Halstead"

"as Detective (Sergeant)"

"as Desk Sergeant Trudy Platt: girlfriend of Mouch"

"as Scott Rice: Rescue Squad 3"

"as Chief Wallace Boden: Battalion 25 (Season 1 — present)"

"as Christopher Herrmann: Truck Co. 81 (Season 1 — present)"

"as Joe Cruz: chauffeur of Truck Co. 81 Season 1-Season 3), Rescue Squad 3 (Season 3 — present)"

"as Brian "Otis" Zvonecek: Truck Co. 81 (Season 1 recurring, Season 2 — present)"

"as Detective"

"as Paramedic Sylvie Brett: Ambulance 61 (Season 3 — present)"

"as Firefighter Stella Kidd (Season 4 — present)"

"Randy Flagler as Capp: Rescue Squad 3"

"Harry Lennix - Harold Cooper"

"Mozhan Marnò - Samar Navabi"

"Hisham Tawfiq - Dembe"

"Megan Boone - Elizabeth Keen"

"James Spader - Raymond 'Red' Reddington"

"Parminder Nagra - Meera Malik"

"Diego Klattenhoff - Donald Ressler"

"Amir Arison - Aram Mojtabai"

"Ryan Eggold - Tom Keen"

"Laurence Fishburne - Jack Crawford"