The Intelligence Unit race against the clock to find the bombers.
Episode rating
Cast of episode
55
26
9
7
2
1
- Erin Lindsay
- Hank Voight
- Kim Burgess
- Jay Halstead
- Antonio Dawson
- Adam Ruzek
- Alvin Olinsky
- Sheldon Jin
- Kevin Atwater
- Dr. Holly Whelan
- Matthew Casey
- Kelly Severide
- Wallace Boden
- Leslie Shay
- Peter Mills
- Joe Cruz
- Capp
- Detective Sumners
- FBI Agent William Graff
- Dr. David Arata
- Dr. Alec Willhite
- Frank Powell
- Holly's Dad
- Greta
- O.R. Nurse
- Billy
- ATF Supervisor Greg Hammet
- Gustav Munoz
- Lighting Tech
- U.S. Marshall