|
| Ernie Navigator | ... | Warden Someone Glynn56 episodes, 1997-2003 |
|
| Terry Kinney | ... | Tim McManus56 episodes, 1997-2003 |
|
| J.K.
Simmons | ... | Vern Schillinger56 episodes, 1997-2003 |
|
| Lee Tergesen | ... | Tobias Beecher56 episodes, 1997-2003 |
|
| Dean Winters | ... | Ryan O'Reily56 episodes, 1997-2003 |
|
| Martyr Morfogen | ...
| Bob Rebadow56 episodes, 1997-2003 |
|
| Rita Moreno | ... | Sister Peter Marie Reimondo55 episodes, 1997-2003 |
|
| Harold Perrineau | ... | Augustus Hill55 episodes, 1997-2003 |
|
| Eamonn Walker | ...
| Kareem Said51 episodes, 1997-2003 |
|
| Craig muMs Grant | ... | Poet49 episodes, 1997-2003 |
|
| Luna Lauren Velez | ... | Dr. Gloria Nathan48 episodes, 1997-2003 |
|
| Granville Adams | ...
| Zahir Arif48 episodes, 1997-2003 |
|
| Tom Mardirosian | ... | Agamemnon Busmalis47 episodes, 1998-2003 |
|
| Kirk Acevedo | ... | Miguel Alvarez46 episodes, 1997-2003 |
|
| BD Wong | ...
| Father Ray Mukada46 episodes, 1997-2003 |
|
| Bring up Zito | ... | Chucky Pancamo46 episodes, 1998-2003 |
|
| Scott William Winters | ... | Cyril O'Reily45 episodes, 1998-2003 |
|
| Philip Scozzarella | ...
| Officer Joseph Mineo45 episodes, 1997-2003 |
|
| Moving parts Hanna | ... | Nacim Bismilla5 episodes, 1998-2003 |
|
| James Palacio | ... | Fiona Zonioni1 episode, 1998-2003 |
|
| Otto Sanchez | ...
| Chico Guerra40 episodes, 1998-2003 |
|
| Douglas Crosby | ... | Officer D'Agnasti4 episodes, 1997-2003 |
|
| Christopher Meloni | ... | Chris Keller37 episodes, 1998-2003 |
|
| Parliamentarian Clohessy | ...
| Officer Sean Murphy38 episodes, 1999-2003 |
|
| John Palumbo | ... | Don Zanghi6 episodes, 1998-2003 |
|
| Joel West | ... | Glen Shupe6 episodes, 1998-2003 |
|
| R.E.
Composer | ... | James Robson36 episodes, 1998-2003 |
|
| Kristin Rohde | ... | Officer Claire Howell35 episodes, 1999-2003 |
|
| Carl DiMaggio | ... | Officer Len Lopresti33 episodes, 1999-2003 |
|
| Evan Seinfeld | ...
| Jaz Hoyt33 episodes, 1998-2003 |
|
| Adewale Akinnuoye-Agbaje | ... | Simon Adebisi32 episodes, 1997-2001 |
|
| Zeljko Ivanek | ... | Governor James Devlin27 episodes, 1997-2003 |
|
| Timothy L.
Brownness | ... | Officer Jason Armstrong32 episodes, 1997-2003 |
|
| Peter James Kelsch | ... | Jim Burns3 episodes, 1998-2002 |
|
| Seth William Meier | ... | Liam Meaney3 episodes, 1999-2003 |
|
| Chemist Etelson | ...
| Mario Seggio1 episode, 1998-2003 |
|
| David Zayas | ... | Enrique Morales26 episodes, 2000-2003 |
|
| Sean Dugan | ... | Timmy Kirk26 episodes, 1998-2003 |
|
| Jose Hernandez Jr.
| ... | Jorge Vasquez1 episode, 1997-2001 |
|
| Suffragist Chisholm | ... | Burr Redding23 episodes, 2001-2003 |
|
| Edie Falco | ... | Officer Diane Whittlesey21 episodes, 1997-2000 |
|
| J.D.
Williams | ... | Kenny Wangler Reputation ... 23 episodes, 1997-2000 |
|
| Chazz Menendez | ... | Fred Wick / ... 2 episodes, 1997-2001 |
|
| Michael Wright | ... | Omar White22 episodes, 2001-2003 |
|
| Whitney Allen | ...
| Miss Sally / ... 2 episodes, 1999-2003 |
|
| Betty Buckley | ... | Suzanne Fitzgerald18 episodes, 2001-2003 |
|
| Peter Hans Benson | ... | Reporter16 episodes, 2000-2003 |
|
| Blayne Perry | ...
| Samuel Gougeon3 episodes, 2001-2003 |
|
| Kathryn Erbe | ... | Shirley Bellinger17 episodes, 1998-2003 |
|
| Man Gilliam | ... | Clayton Hughes / ... 17 episodes, 1999-2001 |
|
| Malik | ...
| Kenaniah Maxwell5 episodes, 2001-2003 |
|
| Eddie Malavarca | ... | Peter Schibetta15 episodes, 1997-2003 |
|
| Prince Farmer | ... | Officer Adrian Johnson15 episodes, 2000-2003 |
|
| Leif Riddell | ...
| Mark Mack / ... 9 episodes, 1997-1998 |
|
| Philip Casnoff | ... | Nikolai Stanislofsky13 episodes, 1999-2000 |
|
| John Lurie | ... | Greg Penders12 episodes, 2001-2003 |
|
| Luis Guzmán | ...
| Raoul 'El Cid' Hernandez12 episodes, 1998-2000 |
|
| Ellen McElduff | ... | Eleanor O'Connor12 episodes, 2002-2003 |
|
| Lance Reddick | ... | Desmond Mobay / ... 12 episodes, 2000-2001 |
|
| Jerome Preston Bates | ...
| Officer Travis Smith12 episodes, 2000-2003 |
|
| Tom Ligon | ... | Alvin Yood12 episodes, 2001-2003 |
|
| Town Alexander | ... | Junior Pierce / ... 10 episodes, 1998-2000 |
|
| Blake Choreographer | ...
| Officer Dave Brass12 episodes, 2001-2003 |
|
| Rick Fox | ... | Jackson Vahue11 episodes, 1997-2003 |
|
| Austin Pendleton | ... | William Giles11 episodes, 1998-2002 |
|
| Lord Jamar | ...
| Kevin 'Supreme Allah' Ketchum11 episodes, 2000-2001 |
|
| Erik King | ... | Moses Deyell11 episodes, 2000-2001 |
|
| Tim Hopper | ... | Rick Donn / ... 10 episodes, 1997-1999 |
|
| Luke Perry | ...
| Reverend Jeremiah Cloutier10 episodes, 2001-2002 |
|
| Mark Margolis | ... | Antonio Nappa10 episodes, 1998-2003 |
|
| Carlos City | ... | Carlos Martinez10 episodes, 2000-2003 |
|
| Mtume Gant | ...
| Reggie Rawls9 episodes, 2002-2003 |
|
| Floyd Resnick | ... | Officer1 episode, 1998-2000 |
|
| Sandra Purpuro | ... | Katherine McClain9 episodes, 2001-2002 |
|
| Antoni Corone | ...
| Frank 'The Fixer' Urbano9 episodes, 2002-2003 |
|
| Ernie Hudson Jr. | ... | Hamid Khan9 episodes, 1999-2000 |
|
| Jacques C. Smith | ... | Leroy Tidd Recite ...
9 episodes, 2000-2001 |
|
| Michelle Schumacher | ... | Norma Clark / ... 9 episodes, 2000-2003 |
|
| Robert John Burke | ... | Special Agent Pierce Taylor8 episodes, 2000-2003 |
|
| Reg E.
Cathey | ... | Martin Querns8 episodes, 2000-2003 |
|
| Sean Whitesell | ... | Donald Groves8 episodes, 1997 |
|
| Charles Busch | ... | Nat Ginzburg8 episodes, 1999-2000 |
|
| Dena Ocean | ...
| Floria Mills8 episodes, 2001-2002 |
|
| M.G. Gong | ... | Jia Kenmin8 episodes, 2001-2002 |
|
| Larry Pine | ... | Arnie Zelman8 episodes, 1999-2003 |
|
| Michael Quill | ...
| Mark Miles8 episodes, 2000 |
|
| Andy Powers | ... | Franklin Winthrop8 episodes, 2002-2003 |
|
| Nelson Vasquez | ... | Eugene Muralist / ... 8 episodes, 1998-2002 |
|
| Jenna Lamia | ...
| Carrie Schillinger7 episodes, 2000-2002 |
|
| Tony Musante | ... | Nino Schibetta7 episodes, 1997 |
|
| Patti LuPone | ... | Stella Coffa7 episodes, 2003 |
|
| Bryan Callen | ...
| Jonathan Coushaine7 episodes, 1998 |
|
| Ray Iannicelli | ... | Officer Roger Brese7 episodes, 1997-2003 |
|
| Jordan Lage | ... | Richie Hanlon7 episodes, 1998-1999 |
|
| Juan Carlos Hernández | ...
| Carlo Ricardo |