On the Warpath

On the Warpath
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Season:	4
Episode:	18
Original airdate:	April 5, 2016
Written by:	Sarah Kucserka Veronica West
Directed by:	Joe Chappelle
Episode chronology
Previous episode:	What Happened to Courtney
Next episode:	I Will Be Walking

Summary

While responding to a call involving a victim incapacitated with a leg wound, Sylvie Brett witnesses a murder and is threatened by the shooter not to go to the police. Unsure of what to do, she tries to track down Antonio from Chicago PD. Elsewhere, Firehouse 51 jumps into action when a fire breaks out inside a restaurant, trapping several people inside a vault. Meanwhile, with his wedding day to Trudy fast approaching, a nervous Mouch starts to get cold feet.

Cast

Main Cast

• Jesse Spencer as Lieutenant Matthew Casey
• Taylor Kinney as Lieutenant Kelly Severide
• Monica Raymund as Firefighter Gabriela Dawson
• Kara Killmer as Paramedic Sylvie Brett
• David Eigenberg as Firefighter Christopher Herrmann
• Yuri Sardarov as Firefighter Brian "Otis" Zvonecek
• Joe Minoso as Firefighter Joe Cruz
• Christian Stolte as Firefighter Randy "Mouch" McHolland
• Steven R. McQueen as Paramedic Jimmy Borrelli
• Eamonn Walker as Battalion Chief Wallace Boden

Guest Stars

• Marina Squerciati as Officer Kim Burgess
• Yaya DaCosta as Nurse April Sexton
• Miranda Rae Mayo as Firefighter Stella Kidd
• Randy Flagler as Firefighter Harold Capp
• Robyn Coffin as Cindy Herrmann
• Tom Galantich as John Gallo
• Matt DeCaro as Sergeant Delaney
• Amy Morton as Desk Sergeant Trudy Platt
• Elias Koteas as Detective Alvin Olinsky
• Jon Seda as Detective Antonio Dawson

Co-Stars

• Anthony Ferraris as Squad 3 Driver Tony Ferraris
• Lauran September as Natasha
• Nicholas Eyde as Blue Hoodie (Dale)
• James Doherty as Young Cop
• Rob Wilson as Big Guy
• Carin Silkaitis as Older Woman
• Renellè Nicole as Young Woman / Jeannie
• Vanessa Greenway as Female Partner
• Michael A. Dean as Male Officer
• Erin Allegretti as Waitress
• Thomas Forde as Victim

Crew

• Michael Brandt as Creator
• Derek Haas as Creator
• Dick Wolf as Executive Producer
• Matt Olmstead as Executive Producer
• Danielle Gelber as Executive Producer
• Michael Brandt as Executive Producer
• Derek Haas as Executive Producer
• Joe Chappelle as Executive Producer
• Arthur W. Forney as Executive Producer
• Peter Jankowski as Executive Producer
• Andrea Newman as Co-Executive Producer
• Michael Gilvary as Co-Executive Producer
• Sarah Kucserka as Co-Executive Producer
• Veronica West as Co-Executive Producer
• Carla Corwin as Supervising Producer
• Tim Deluca as Supervising Producer
• Todd Arnow as Producer
• Jonathan Strauss as Co-Producer
• Ian McCulloch as Consulting Producer
• Jayson Crothers as Director Of Photography
• Craig Jackson as Production Designer
• Megan D'Arco as Editor
• Atli Örvarsson as Music
• Jonathan Strauss as Casting
• Claire Simon as Casting
• Lynn Kressel as Original Casting
• Tiller Russell as Executive Story Editor
• Michael A. O'Shea as Story Editor
• Jill Weinberger as Story Editor