CHICAGO FIRE-CHICAGO P.D. Crossover Adds a Former Series Regular

CHICAGO P.D. — Season: 3 — Pictured: (l-r) top row; Marina Squerciati as Officer Kim Burgess, LaRoyce Hawkins as Detective Kevin Atwater, Brian Geraghty as Officer Sean Roman, Jesse Lee Soffer as Detective Jay Halstead, , Elias Koteas as Detective Alvin Olinsky, Amy Morton as Desk Sgt. Trudy Platt, Patrick John Flueger as Officer Adam Ruzek bottom row; Jon Seda as Detective Antonio Dawson, Jason Beghe as Sergeant Hank Voight, Sophia Bush as Detective Erin Lindsay — (Photo by: Mark Seliger/NBC)