Why Chicago PD's Jay Halstead Actor Left The Show Finally Why did Jay leave from Chicago P.D.? | Why did Jay separate Chicago P.D.? | What prompted Jay to walk away Chicago P.D.? | What sparked Jay to depart Chicago P.D.? | What compelled Jay withdraw Chicago P.D.? | What drove Jay to quit Chicago P.D.'s p d? | The reasons behind Jay's resignation from Chicago P.D. | The factors that caused Jay's exit from Chicago P.D. | Jay's decision to withdraw Chicago P.D.: why did he do it? | The explanation behind Jay's separation from Chicago P.D.: what motivated him to choose to do so?