| Name | Character | Episodes |
|---|---|---|
| Kirk Acevedo | Hector Salazar | 13 |
| Fred Thompson | Arthur Branch | 13 |
| Bebe Neuwirth | Tracey Kibre | 13 |
| Amy Carlson | Kelly Gaffney | 13 |
| Scott Cohen | Chris Ravell | 10 |
| Seth Gilliam | Terence Wright | 4 |
| Jessica Chastain | Sigrun Borg | 3 |
| Candice Bergen | Amanda Anderlee | 3 |
| Wendell Pierce | Richard Link | 2 |
| Aasif Mandvi | Samir Patel | 2 |
| Jerry Orbach | Lennie Briscoe | 2 |
| Carey Lowell | Jamie Ross | 2 |
| Sam Waterston | Jack McCoy | 2 |
| Ben Shenkman | Irv Kressel | 2 |
| David Fonteno | Derek Hafner | 2 |
| Sanjit De Silva | Ed Kapoor | 2 |
| Anne L. Nathan | Audrey Golum | 2 |
| Tim Hopper | George Gibson | 2 |
| Clarke Peters | Rex da Silva | 1 |
| Bradley Cooper | Jason Whitaker | 1 |
| Aidan Gillen | Jimmy Colby | 1 |
| Giancarlo Esposito | Orlando Ramirez | 1 |
| Sarah Hyland | Brianne Colby | 1 |
| Lorraine Bracco | Karla Grizano | 1 |
| Tim Kang | Liam Kelly | 1 |
| Alfred Molina | Gabriel Duvall | 1 |
| Mariska Hargitay | Olivia Benson | 1 |
| Annabella Sciorra | Maggie Dettweiler | 1 |
| Angela Lansbury | Eleanor Duvall | 1 |
| William Sadler | Paul Rice | 1 |
| Mike Colter | Billy Tolbert | 1 |
| Ritchie Coster | Shane Lucas | 1 |
| Cynthia Addai-Robinson | Lillian Beaudriville | 1 |
| Ebon Moss-Bachrach | Danny Wallace | 1 |
| Colman Domingo | Gus Johnson | 1 |
| Christopher Meloni | Elliot Stabler | 1 |
| Susan Kelechi Watson | Jill Tolbert | 1 |
| Sharrieff Pugh | Sharaud Williams | 1 |
| Antonio D. Charity | Bailiff | 1 |
| Adam LaVorgna | Carter McSherry | 1 |
| Joseph Siravo | Doug Conley | 1 |
| Damaine Radcliff | Kendall Jackson | 1 |
| George Loros | Maitre d' Salvatore | 1 |
| Jack O'Connell | John Whitney | 1 |
| Bruce Davison | Peter Betts | 1 |
| Ann Dowd | Karen Ames | 1 |
| Peter Coyote | Mike LaSalle | 1 |
| Tamara Tunie | Melinda Warner | 1 |
| Elisabeth Moss | Katie Nevins | 1 |
| Rita Moreno | Mildred Quintana | 1 |
| Domenick Lombardozzi | Danny Petro | 1 |
| Brooke Elliott | Denise Bell | 1 |
| Rebecca Mader | Melani Ferris | 1 |
| Diane Neal | Casey Novak | 1 |
| Peter Scanavino | Robert Hassel | 1 |
| Lisa Emery | Lynn Blaylock | 1 |
| Ron Silver | Bernie Adler | 1 |
| Peter McRobbie | Walter Bradley | 1 |
| Dennis Farina | Joe Fontana | 1 |
| Jeffrey DeMunn | Norman Rothenberg | 1 |
| Margarita Levieva | Stephanie Davis | 1 |
| Carolyn McCormick | Elizabeth Olivet | 1 |
| John Doman | Tim Grace | 1 |
| Jesse L. Martin | Ed Green | 1 |
| Larry King | Larry King | 1 |
| Aaron Lohr | Zack Stone | 1 |
| Peter Gerety | Dean Connors | 1 |
| Marlyne Barrett | Diane Harris | 1 |
| Geoffrey Cantor | Ronald Hardin | 1 |
| Lindsey Kraft | Ms. Prokolsky | 1 |
| Victor Rasuk | Luis Ramirez | 1 |
| Jeff Perry | Andrew Soin | 1 |
| Nestor Serrano | Pedro | 1 |
| Felix Solis | Miguel Guzman | 1 |
| James Murtaugh | Addison Briggs | 1 |
| Allan Miller | Ambrose Trillin | 1 |
| Tony Bill | Kurt Lascher | 1 |
| Paul Lazar | Dave Baker | 1 |
| Susan Blommaert | Rebecca Steinman | 1 |
| David Aaron Baker | Todd Eckhart | 1 |
| Joe Holt | EMS Tech | 1 |
| David Clayton Rogers | Terence Wright | 1 |
| David Clayton Rogers | ADA Ted Hearn | 1 |
| Michael Mulheren | Harrison Taylor | 1 |
| Daniel Eric Gold | Leslie | 1 |
| Mary Jo Deschanel | Julia Lonegan | 1 |
| Gene Canfield | Eugene Timmons | 1 |
| Richard Belzer | John Munch | 1 |
| S. Epatha Merkerson | Anita Van Buren | 1 |
| Brian Tarantina | Mike Bressler | 1 |
| Debrah Farentino | Danielle Blair | 1 |
| Christina Kirk | Lee Sullivan | 1 |
| Zoe Lister-Jones | Trisha Ford | 1 |
| Warren Kole | Justin Burch | 1 |
| Peter Appel | Frederick Merriwether | 1 |
| David Vadim | Detective Saunders | 1 |
| Victor Cruz | Grand Juror | 1 |
| Leslie Hendrix | Elizabeth Rodgers | 1 |
| Maximiliano Hernández | Miguel Montez | 1 |
| Geneva Carr | Talia Rawlings | 1 |
| Angel David | Detective Fosen | 1 |
| Jill Flint | Karen Masters | 1 |
| Philip Casnoff | Nick Forster | 1 |
| Treach | Bruno Johnson | 1 |
| Rosa Arredondo | Ana Mendez | 1 |
| Donald Moffat | Matthew Sherwood | 1 |
| Gabriel Casseus | Kenny Thompson | 1 |
| William Prael | Lyle Joynes | 1 |
| Lothaire Bluteau | Andres Voychek | 1 |
| Charles Techman | Grand Juror | 1 |
| Lori Tan Chinn | Mrs. Park | 1 |
| Linda Emond | Emily Downey | 1 |
| Curtiss Cook | Kwame Blakely | 1 |
| James Hiroyuki Liao | Eddie Perkins | 1 |
| Isabel Glasser | Jean Nevins | 1 |
| Ron McLarty | William Wright | 1 |
| Tony Devon | Allan Burke | 1 |
| Ron Orbach | Mike | 1 |
| Danny Johnson | Byron Holmes | 1 |
| Sherri Saum | Tiffany Jackson | 1 |
| Patrick Collins | George Ames | 1 |
| Lev Gorn | Mr. Dushinsky | 1 |
| Jamie Tirelli | Dario Rodriguez | 1 |
| Brian O'Neill | Zack Martel | 1 |
| Catherine Wolf | Jean Gorman | 1 |
| Anthony Mangano | Nick Marks | 1 |
| Chris McGinn | Juror | 1 |
| Ranjit Chowdhry | Anji Reddy | 1 |
| James Andrew O'Connor | Court Officer | 1 |
| Lynn Chen | Lin | 1 |
| George R. Sheffey | Ricky de Mateo | 1 |
| Charles Weldon | Juror | 1 |
| Kevin Mambo | Detective Weber | 1 |
| Amir Ali Said | Toby | 1 |
| Marc Aden Gray | Adam Burge | 1 |
| Rik Alan Walter | Bill Donovan | 1 |
| Cady Huffman | Penny Sterba | 1 |
| Anna George | Adele | 1 |
| James Hanlon | Hagen Burke | 1 |
| Nicole Leach | Catherine Selles | 1 |
| Lucas Papaelias | Desmond McCarron | 1 |
| Armand Schultz | Curtis Fuller | 1 |
| Michael Cullen | Joseph Terrano | 1 |
| William Hill | Jack Miller | 1 |
| Julia Barnett | Beth Jordan | 1 |
| Jason Kolotouros | Bob LeMay | 1 |
| Stephen Beach | Paul Youngren | 1 |
| Anna Rose Hopkins | Eve Walsh | 1 |
| Richard D'Alessandro | Detective Braschi | 1 |
| Bo Dietl | Toni Stotti | 1 |
| Judy Marte | Marisol Rodriguez | 1 |
| Tom O'Rourke | Peter Behrens | 1 |
| Marisa Redanty | Leslie | 1 |
| Flint Beverage | Ray Nevins | 1 |
| Samuel Ray Gates | Line Up Guy | 1 |
| Edwina Findley | Kim Evans | 1 |
| Janis Dardaris | Juror | 1 |
| Ken Cheeseman | Patrick | 1 |
| Lizbeth MacKay | Suzanne Conover | 1 |
| Suzette Gunn | Elena Hernandez | 1 |
| Nancy Ticotin | Rosario Ramirez | 1 |
| Keith Reddin | Marvin Figgs | 1 |
| Elaine Ann Hu | Sharon Matsu | 1 |
| Steve Zirnkilton | Opening Title Sequence (voice) (uncredited) | 1 |
| Johanna Day | Jocelyn Webber | 1 |
| Maria Smith | Karen Phelps | 1 |
| Alvin Keith | GrandJuror | 1 |
| Jonathan Daly | Sheldon | 1 |
| Curtis Mark Williams | Mitch Potter | 1 |
| Ana Maria Jomolca | Juror | 1 |
| Mercedes Herrero | Alba Claros | 1 |
| Catrina Ganey | Jury Forewoman | 1 |
| Don Puglisi | Press Photographer | 1 |
| Pascale Armand | Cilla Preston | 1 |
| Lisa Barnes | Jury Foreman | 1 |
| David Bishins | Tony Colby | 1 |
| Peter Van Wagner | Parole Hearing Officer | 1 |
| Joe Hickey | Resident | 1 |
| Tristine Skyler | Abigail Phillips | 1 |
| John Scurti | Mudgett | 1 |