1997 Season
Ricardo Alvarez (Tomas Milian) [Died as of episode: "Escape From Oz"]
Dino Ortolani (Jon Seda) [Died in episode: "The Routine"]
Johnny Post (Tim McAdams) [Died in episode: "Visits, Conjecal or Otherwise"]
Emilio Sanchez (Jose Soto) [Died in episode: "The Routine"]
Donald Groves (Sean Whitesell) [Died in episode: "Plan B"]
Husseini Mershaw (Roger Guenveur Smith) [Died in episode: "Plan B"]
Nino Schibetta (Tony Musante) [Died in episode: "Plan B"]
Joey D'Angelo (Goodfella Mike G) [Died in episode: "Capital P"]
Officer Lawrence Smith (Curtis McClarin) [Died in episode: "Plan B"]
Jefferson Keane (Leon) [Died in episode: "Capital P"]
Paul Markstram (O.L. Duke) [Died in episode: "Straight Life"]
Eugene Dobbins (Zuill Bailey) [Died in episode: "A Game of Checkers"]
1998 Season
Scott Ross (Stephen Gevedon) [Died in episode: "The Tip"]
Officer Anthony Norkowski (Matthew Brandon Ross) [Died in episode: "The Tip"]
Officer Edward Hunt (Murphy Guyer) [Died in episode: "The Tip"]
Alexander Vogel [Died in episode: "Great Men"]
Mark Mack (Lief Riddell) [Died in episode: "Escape From Oz"]
Kipkemi Jara (Zakes Mokae) [Died in episode: "Escape From Oz"]
Genevieve Beecher (Susan Floyd) [Died in episode: "Family Biznezz"]
1999 Season
Officer Karl Metzger (Bill Faggerbakke) [Died in episode: "The Truth and Nothing But..."]
Malcolm Coyle (Treach) [Died in episode: "Legs"]
Richie Hanlen (Jordan Lage) [Died in episode: "Unnatural Causes"]
Andrew Schillinger (Fred Koehler) [Died in episode: "U.S. Male"]
William Cudney (Will Cote) [Died in episode: "Cruel and Unusual Punishment"]
Antonio Nappa (Mark Margolis) [Died in episode: "Secret Identities"]
Carlos Ricardo (Juan Carlos Hernandez) [Died in episode: "Out of Time"]
2000 Season
Simon Adebisi (Adewale Akinnuoye-Agbaje) [Died in episode: "You Bet Your Life"]
Raymond "Mondo" Browne (Gano Grilles) [Died in episode: "You Bet Your Life"]
Shirley Billinger (Kathryn Erbe) [Died in episode: "Works of Mercy"]
Nathaniel Ginsberg (Charles Busch) [Died in episode: "A Word to the Wise"]
Ralph Gulino (Domenick Lombardozzi) [Died in episode: "Obituaries"]
Guillaume Tarrant (Lothaire Bluteau) [Died in episode: "A Cock and Balls Story"]
Kenny Wangler (J.D. Williams) [Died in episode: "A Cock and Balls Story"]
Junior Pierce (Male Alexander) [Died in episode: "A Cock and Balls Story"]
Raoul "El Sid" Hernandez (Luis Guzman) [Died in episode: "The Bill of Wrongs"]
Nikolai Stanoslavski (Philip Casnoff) [Died in episode: "A Town Without Pity"]
Eli Zabitz (David Johansen) [Died in episode: "A Town Without Pity"]
Mark Miles (Michael Quill) [Died in episode: "You Bet Your Life"]
Hank Schillinger (Andrew Barchilon) [Died in episode: "A Town Without Pity"]
Nate Sheman [Died in episode: "You Bet Your Life"]
Hamid Kahn (Ernie Hudson Jr.) [Died in episode: "A Cock and Balls Story"]
Patrick Keenan (Dylan Chalfy) [Died in episode: "A Word to the Wise"]
Gary Beecher [Died in episode: "Works of Mercy"]
2001 Season
Ronald Barlog (Brian Bloom) [Died in episode: "Revenge is Sweet"]
Moses Deyell (Erik King) [Died in episode: "Orpheus Descending"]
Kevin Ketchum "Supreme Allah" (Lord Jamar) [Died in episode: "...Famous Last Words"]
Bian Yixue (Ken Leung) [Died in episode: "Conversions"]
Carl Jenkins (Joshua Harto) [Died in episode: "Orpheus Descending"]
Desmond Mobay / Detective John Basil (Lance Reddick) [Died in episode: "Orpheus Descending"]
Carlton "Tug" Daniels (Method Man) [Died in episode: "Even the Score"]
Clayton Hughes (Seth Gilliam) [Died in episode: "...Famous Last Words"]
Colonel Edward Galson (John Doman) [Died in episode: "...Famous Last Words"]
Jorge Vasquez (Juan Hernandez Jr.) [Died in episode: "Cuts Like A Knife"]
Paul Wyck (Chazz Menendez) [Died in episode: "Cuts Like A Knife"]
Leroy Tidd (Jacques Smith) [Died in episode: "The Blizzard of '01"]
2002 Season
Eugenia Hill (Mary Alice) [Died in episode: "Visitations"]
Sysoria Arif (Breinin Bryant) [Died in episode: "Visitations"]
Annette Osorio (Delilah Cotto) [Died in episode: "Visitations"]
Carrie Schillinger (Jenna Lamia) [Died in episode: "Visitations"]
Jim Burns (Peter James Kelsch) [Died in episode: "Laws of Gravity"]
Jaime Velez (Christopher Rivera) [Died in episode: "Next Stop, Valhalla"]
Amad Lilar (Chris Gardner) [Died in episode: "Next Stop, Valhalla"]
Li Chin (Nelson Lee) [Died in episode: "Next Stop, Valhalla"]
Adam Guenzel (Mike Doyle) [Died in episode: "Good Intentions"]
[Reverend] Jeremiah Coutier (Luke Perry) [Disappeared in "Dream A Little Dream of Me"; confirmed dead in: "Exeunt Omnes"]
Augustus Hill (Harold Perrineau) [Died in episode: "Impotence"]
2003 Season
[Father] Daniel Meehan (Malachy McCourt) [Died in episode: "Dead Man Talking"]
Harrison Beecher (Edward Herrmann) [Died in episode: "Dead Man Talking"]
Timmy Kirk (Sean Dugan) [Died in episode: "See No Evil, Hear No Evil, Smell No Evil"]
Peter Schibetta (Eddie Malavarca) [Died in episode: "See No Evil, Hear No Evil, Smell No Evil"]
Carlos Martinez (Carlos Leon) [Died in Episode: "Sonata Da Oz"]
Kareem Said (Eamonn Walker) [Died in Episode: "Sonata Da Oz"]
Wolfgang Cutler (Brendan Kelley) [Died in Episode: "A Failure to Communicate"]
Franklin Winthrop (Andy Powers) [Died in Episode: "A Failure to Communicate"]
Stanley Brukowski (Ashley Hamilton) [Died in Episode: "Junkyard Dawgs"]
Omar White (Michael Wright) [Died in Episode: "Junkyard Dawgs"]
Enrique Morales (David Zayas) [Died in Episode: "4Giveness"]
Jazz Hoyt (Evan Seinfeld) [Died in Episode: "Exeunt Omnes"]
Cyril O'Reilly (Scott William Winters) [Died in Episode: "Exeunt Omnes"]
Vern Schillinger (J.K. Simmons) [Died in Episode: "Exeunt Omnes"]
Christopher Keller (Christopher Meloni) [Died in Episode: "Exeunt Omnes"]