- Taylor Kinney (Kelly Severide)
- David Eigenberg (Christopher Herrmann)
- Joe Miñoso (Joe Cruz)
- Christian Stolte (Randy 'Mouch' McHolland)
- Miranda Rae Mayo (Stella Kidd)
- Hanako Greensmith (Violet Mikami)
- Jocelyn Hudon (Paramedic Lyla 'Lizzie' Novak)
- Brandon Larracuente (Sal Vasquez)
Chicago Fire — S3E19
Episode: I Am the Apocalypse
Air Date: 2015-04-07
Runtime: 42 min
Overview
The Chicago fire team works seamlessly with Chicago Med personnel to help aid victims of a deadly gas leak, but things quickly take a turn for the worse when the hospital is suddenly forced into quarantine.