|All Cylinders Firing|
|Season 4, Episode 3|
|Airdate||October 5, 2016|
|Written by||Mike Weiss|
|Directed by||Nick Gomez|
Made a Wrong Turn
Big Friends, Big Enemies
All Cylinders Firing is the third episode of the forth season and the 64th overall episode of Chicago P.D.
The Intelligence unit investigates after Platt is attacked while walking to her car. As the investigation develops, the unit finds Platt's father beaten to death and that his much younger girlfriend may have been involved. Meanwhile, after Burgess lets a key piece of case information slip, Platt escapes the hospital to find her own justice for her father.
- Jason Beghe as Sergeant Hank Voight
- Jon Seda as Detective Antonio Dawson
- Sophia Bush as Detective Erin lindsay
- Jesse Lee Soffer as Detective Jay Halstead
- Patrick John Flueger as Officer Adam Ruzek
- Marina Squerciati as Officer Kim Burgess
- LaRoyce Hawkins as Officer Kevin Atwater
- Elias Koteas as Detective Alvin Olinsky
- Amy Morton as Desk Sergeant Trudy Platt
- Colin Donnell as Dr.Connor Rhodes
- Marlyne Barrett as Maggie Lockwood
- Christian Stolte as Firefighter Randy "Mouch" McHolland
Recurring Cast Edit
Guest Cast Edit
- Chelcie Ross as Robert Platt
- Gideon Emery as Wade McGregor
- Matt DeCaro as Officer Delaney
- Lilia Vassileva as Natalie Kern
- Guy Holling as Leonard Millwood
- Henrí Franklin as Malik Simmons
- Melissa Duprey as Detective Luisa Flores
- Pat McGann as Homeowner
- Keisha Champagne as Virginia Cutler
- Rochelle Therrien as Manager
- Celeste Cooper as Medical Examiner
- Michelle Fox as Woman
Lindsay: Platt did something. There's something going on here.
Platt: Don't talk to me like I'm some victim.
Rhodes: She's up, she's alert, kind of rude - all cylinders firing.
Voight: I like Robert, but I think we're looking at the wrong Platt.
Voight: Someone wanted them both to suffer.