One Chicago & The FBIs Wiki
Season: 4
Episode: 3
Original airdate: October 5, 2021
Written by: Joe Webb
Directed by: Alex Chapple
Episode chronology
Previous episode: Hacktivist
Next episode: Know Thyself


After the team finds a connection between bombings at government agencies and a private veterans’ club in New York City, Isobel tells OA to recruit his former Army buddy, Chris, for intel since he spends time at the club. However, knowing the difficulty soldiers like Chris often face returning to civilian life, OA is reluctant to follow orders.


Main Cast

Guest Stars


  • Carmen Lamar Gonzalez as Bomb Tech Carla Flores
  • Sagar Kiran as ERT Tech Roman Isco
  • Jose Soto as Frank
  • Adan Olmeda as Bill
  • Lauren Sowa as Stacy Rose
  • Axel Newville as Evan
  • Melinda Tanner as Marlene Bosh
  • Cliff Samara as Vijay
  • Chris Chirdon as ATF Agent #1
  • Sarah Boatrigh as ATF Agent #2
  • Brett Bartholomew as Josh Taylor
  • Christopher Parker as Burly Vet


  • Dick Wolf as Creator
  • Craig Turk as Creator
  • Dick Wolf as Executive Producer
  • Rick Eid as Executive Producer
  • Alex Chapple as Executive Producer
  • Arthur W. Forney as Executive Producer
  • Peter Jankowski as Executive Producer
  • Joe Halpin as Co-Executive Producer
  • Keith Eisner as Co-Executive Producer
  • Zach Calig as Supervising Producer
  • Anastasia Puglisi as Supervising Producer
  • Amanda Slater as Producer
  • Joe Webb as Producer
  • Alec Chorches as Producer
  • Rachel Cates as Co-Producer
  • Claire DeMorest as Co-Producer
  • Kristy Lowrey as Co-Producer
  • Jonathan Strauss as Co-Producer
  • Bart Tau as Director Of Photography
  • Malchus Janocko as Production Designer
  • Ryan Ross as Editor
  • Atli Örvarsson as Music
  • Jonathan Strauss as Casting
  • Heather Michaels as Story Editor

Background information and Notes


FBI season 4
Episodes All That GlittersHacktivistTraumaKnow ThyselfCharlotte's WebAllegianceGone Baby GoneFire and RainUnfinished BusinessFosteredGriefUnder Pressure
Other Seasons Season 1Season 2Season 3