Chicago P.d. - Season 1 -

as Detective Sheldon Jin: The unit's tech and surveillance expert.

The series premiere where the unit hunts a Colombian drug cartel. Adam Ruzek joins the team. Chicago P.D. - Season 1

as Detective Erin Lindsay: A tough detective with a deep, personal history with Voight. as Detective Sheldon Jin: The unit's tech and

as Detective Jay Halstead: An ex-Army Ranger and Lindsay's partner. Chicago P.D. - Season 1

A special crossover episode where from Law & Order: SVU visit Chicago to help track a serial rapist. 8:30 PM

as Trudy Platt: The sarcastic, no-nonsense desk sergeant (recurring in Season 1, later a main cast member). Episode Guide Summary