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One Chicago & FBI Wiki
A Volatile Mixture
Season: 7
Episode: 5
Original airdate: October 24, 2018
Written by: Andrea Newman
Directed by: Sanford Bookstaver
Episode chronology
Previous episode: This Isn't Charity
Next episode: All the Proof


Working alongside a journalist, Casey does some digging into the cause of a trailer park fire. Boden hits his breaking point while Mouch, Herrmann and Cruz work to figure out why Molly's isn't performing up to expectations.


Main Cast

Guest Stars


  • Anthony Ferraris as Squad 3 Driver Tony Ferraris
  • Daniel Kyri as Candidate Darren Ritter
  • Paul D'Addario as Trailer Park Manager
  • Joe D. Lauck as Terry
  • Eric Loughlin as Jake
  • Marc McHone as Donald
  • Calvin Marty as Phil
  • Karla Serrato as Sarah
  • Jen Chada as Assistant
  • John T. O'Brien as Male Doctor
  • Nick Cosgrove as Customs Agent
  • Tirf Alexius as Security Guard
  • Annie Rix as Woman


Background information and Notes


Chicago Fire season 7
Episodes A Closer EyeGoing to WarThirty Percent Sleight of HandThis Isn't CharityA Volatile MixtureAll the ProofWhat Will Define YouThe Solution to EverythingAlways a CatchInside These WallsYou ChooseMake This RightThe PlungeIt Wasn't About HockeyWhat I SawFault in HimMove a WallNo Such Thing as Bad LuckUntil the Weather BreaksTry Like HellThe White WhaleI'm Not Leaving You
Other Seasons Season 1Season 2Season 3Season 4Season 5Season 6Season 8Season 9Season 10