One Chicago & FBI Wiki
One Chicago & FBI Wiki
Under the Knife
Season: 1
Episode: 12
Original airdate: January 9, 2013
Written by: Matt Olmstead
Ryan Rege Harris
Directed by: Alex Chapple
Episode chronology
Previous episode: God Has Spoken
Next episode: Warm and Dead


Severide finally addresses Chief Boden about his injury and makes some important personal decisions about his future. Meanwhile, Casey struggles with family matters and Dawson takes matters into her own hands when she discovers a young girl who is the sole survivor at the scene of a rescue call.


Main Cast

Guest Stars


  • Henry Godinez as Ernesto
  • Randy Flagler as Firefighter Harold Capp
  • William Smillie as Kevin Hadley
  • Tory O. Davis as Travis
  • Eliza Shin as Doctor Brenner
  • Lacy Katherine Campbell as Doctor Kessman
  • Maury Cooper as Chuck
  • Kamal Angelo Bolden as Gere
  • Bryan Conner as Knox
  • Mateo Smith as Cop


Background information and Notes

Chicago Fire season 1
Episodes PilotMon AmourProfessional CourtesyOne MinuteHanging OnRear View MirrorTwo FamiliesLeaving the StationIt Ain't EasyMerry Christmas, Etc.God Has SpokenUnder the KnifeWarm and DeadA Little TasteNazdarovya!ViralBetter to LieFireworksA Coffin That SmallAmbitionRetaliation HitLeaders LeadLet Her GoA Hell of a Ride
Other Seasons Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10