: Benson's original partner for Seasons 1–12. He later returned to the franchise in 2021 for the spin-off Law & Order: Organized Crime .
: A main cast member from Season 13 until her departure in the middle of Season 24. : Benson's original partner for Seasons 1–12
: While earlier seasons often featured single-word titles, later seasons adopted longer titles with letter counts sometimes corresponding to the season number. Core Cast (Seasons 1–24) : Benson's original partner for Seasons 1–12
Benson reaches the rank of Captain. Season 24 features major shifts, including the marriage of Rollins and Carisi and Rollins' departure. : Benson's original partner for Seasons 1–12