| A fast-paced character-oriented story, focuses on the lives and loves of the young assistant district attorneys in New York, following their career paths as these passionate but naive ADAs are confronted with tough, emotional cases that challenge their limited experience – and force them to mature quickly or be overwhelmed. |
| Name | Character | Episodes |
|---|---|---|
| Julianne Nicholson | Sara Finn | 13 |
| Anson Mount | Jim Steele | 13 |
| Eric Balfour | Brian Peluso | 13 |
| Stephanie March | Alexandra Cabot | 13 |
| Jordan Bridges | Nick Potter | 13 |
| Milena Govich | Jessica Rossi | 13 |
| J. August Richards | Billy Desmond | 13 |
| Catrina Ganey | Cheryl | 13 |
| Craig Walker | Jason Rossi | 3 |
| Jill Flint | Lisa Sandorff | 3 |
| Jas Anderson | Young Black Man | 3 |
| Zoe Perry | Audrey Knowles | 2 |
| Jack O'Connell | Court Officer Lou | 2 |
| Stephen McKinley Henderson | Judge Martel | 2 |
| Susan Misner | Alexis Bennet | 2 |
| Peter McRobbie | Walter Bradley | 2 |
| Peter Gerety | Father McMillan | 2 |
| Dorian Missick | Frank Jeffers | 2 |
| Gbenga Akinnagbe | Calvin Wade | 2 |
| Alix Elias | Stenographer Martha | 2 |
| Mike Pniewski | Congressman Knowles | 2 |
| David Wilson Barnes | Thomas Searl | 2 |
| Jayne Houdyshell | Roberta Palski | 2 |
| Wass Stevens | Officer Coggins | 2 |
| Adam Rothenberg | Jay Patterson | 2 |
| John Douglas Thompson | John Jenkins | 2 |
| Jack Gwaltney | Robert | 2 |
| Tibor Feldman | Max Breitman | 2 |
| Jennifer Rae Beck | Reporter | 2 |
| Tim Peper | Luke Taylor | 2 |
| Alexandra Daddario | Vanessa | 1 |
| Jeremy Allen White | Jack Phelps | 1 |
| Merritt Wever | Bridget Kellner | 1 |
| Kristen Schaal | Allie Rubinoff | 1 |
| David Zayas | Cartwright | 1 |
| Elias Koteas | Mike Randolph | 1 |
| Nick Chinlund | Boyd | 1 |
| Kevin Hagan | Earl 'Smitty' Smith | 1 |
| Juan Carlos Hernández | Officer Vargas | 1 |
| Eddie Martinez | Detective Ortolani | 1 |
| John Bolger | Bridget Kellner's Father | 1 |
| Gregory Jbara | Herman Zimet | 1 |
| John Magaro | Jiggy | 1 |
| Devin Ratray | Pete Garrison | 1 |
| Rebecca Mader | Hannah | 1 |
| Michael Mosley | Detective Calloway | 1 |
| Chris Bauer | Mr. Foye | 1 |
| Adeel Akhtar | Darpan Banerjee | 1 |
| Ato Essandoh | Byron 'B-Fly' Williams | 1 |
| Robert Clohessy | Coach Hankins | 1 |
| Matt Servitto | Gelman | 1 |
| Amy Landecker | Donna Thatcher | 1 |
| Fred Thompson | Arthur Branch | 1 |
| Christine Evangelista | Alyssa Burnside | 1 |
| Todd Susman | Judge Flintock | 1 |
| Murphy Guyer | Kim's Dad | 1 |
| Marlyne Barrett | Dr. Donner | 1 |
| John Rothman | Martin Bernip | 1 |
| Roy Thinnes | Ralph Hanlon | 1 |
| Tijuana Ricks | Mrs. Mosely | 1 |
| James McDaniel | Tony Murno | 1 |
| Darrell Larson | Professor | 1 |
| Felix Solis | Mr. Diaz | 1 |
| Randy Danson | 1 | |
| Allan Miller | Judge | 1 |
| Linda Miller | Foreperson | 1 |
| Emma Myles | Kim Scanton | 1 |
| Tim Ransom | Attorney | 1 |
| Mimi Lieber | Attorney for Dr. Banerjee | 1 |
| Joe Grifasi | Judge Harrigan | 1 |
| Seth Barrish | Max Levitt | 1 |
| Steve Kazee | Dumas Shepherd | 1 |
| Doug E. Doug | Toby Janes | 1 |
| Lou Martini Jr. | Ernie Marks | 1 |
| Teagle F. Bougere | 1 | |
| Reiko Aylesworth | Julie Phelps | 1 |
| Peter Onorati | Police Detective | 1 |
| Wilbur Fitzgerald | Dr. Berwyn | 1 |
| Becky Ann Baker | Deborah Cole | 1 |
| Damon Gupton | Keith Watts | 1 |
| Victor Cruz | Officer Madrid | 1 |
| Liza Colón-Zayas | M.E. Muldoon | 1 |
| Maximiliano Hernández | Bernard Acosia | 1 |
| Angel David | Lalo Escobar | 1 |
| Rosa Arredondo | Ana Mendez | 1 |
| Joel Marsh Garland | Martin Kelly | 1 |
| Raymond Anthony Thomas | Garcia | 1 |
| George Bartenieff | Nelson Beckman | 1 |
| Amber McDonald | Samantha | 1 |
| Danny Burstein | 1 | |
| Miriam A. Hyman | Mavis Connery | 1 |
| Kit Flanagan | Ciciy Barnes | 1 |
| Guy Boyd | 1 | |
| Mark Zimmerman | Rodney Furman | 1 |
| Lou Bonacki | Mr. Collins | 1 |
| Timothy Adams | Bob the Beast | 1 |
| Ken Howard | Judge Hanford | 1 |
| Alexie Gilmore | Kelly Kovacs | 1 |
| David Fonteno | Judge | 1 |
| Greg Nutcher | Attorney | 1 |
| Joe Forbrich | Joshua Berner | 1 |
| Joe Forbrich | Jason Berner | 1 |
| Stephen Bogardus | Attorney for Colin Brody | 1 |
| Linda Powell | Angela Crews | 1 |
| Philip Levy | Bud Lowry | 1 |
| Danny Johnson | Officer Berrell | 1 |
| Sam Freed | Dr. Warren | 1 |
| Teddy Cañez | George Hernandez | 1 |
| Mark Kenneth Smaltz | Steve Bertaya | 1 |
| Myra Lucretia Taylor | Suzanne Michaels | 1 |
| Shirley Rumierk | Sonia | 1 |
| Alex Kaluzhsky | Quinn Benton | 1 |
| George R. Sheffey | William Stern | 1 |
| Nina Lisandrello | Serena Mallory | 1 |
| Marc Grapey | Max Griggs | 1 |
| Marc Aden Gray | Phil Cower | 1 |
| Stephen Rowe | Judge Coffey | 1 |
| Alice Barrett | Kathleen Perry | 1 |
| Michael Rivera | Hugo Enriquez | 1 |
| Charles Dumas | Alden Murray | 1 |
| Marty Grabstein | Saul Mincheff | 1 |
| Sanjiv Jhaveri | Doctor | 1 |
| Jon Budinoff | Felix Rojo | 1 |
| Alex Manette | Jeff Lloyd | 1 |
| Cal Robertson | Hollis Phelps | 1 |
| Santo Fazio | Sonny Villanueva | 1 |
| Rodney To | James Maglaban | 1 |
| Jeremy Beiler | Gregg Carlson | 1 |
| Mason Pettit | Cop | 1 |
| Mason Pettit | Detective | 1 |
| Pun Bandhu | Kenneth Duggan | 1 |
| Bruce Kirkpatrick | Detective O'Rourke | 1 |
| Anne O'Sullivan | Judy 'Jinksy' Collier | 1 |
| Bridget Moloney | Amanda Steiner | 1 |
| T. Ryder Smith | David Nazarian | 1 |
| Henry Stram | 1 | |
| Joseph La Rocca | Detective Meagher | 1 |
| Kristine Nielsen | Victoria Copeland | 1 |
| Jeff Blumenkrantz | Dr. Lloyd Brem | 1 |
| Edwina Findley | Tina Brock | 1 |
| Gustave Johnson | Horace Whiting | 1 |
| Chris Stack | Darryl Hastings | 1 |
| Tricia Paoluccio | Heather Casey | 1 |
| Paul Urcioli | Russell Albright | 1 |
| Patrick Boll | Man at Party | 1 |
| Andrew Weems | Clay Dalton | 1 |
| Nancy Ticotin | Maggie Reyes | 1 |
| John Palumbo | Detective Molt | 1 |
| Gerardo Rodriguez | Attorney for Curtis Jakes | 1 |
| Millie Tirelli | Morena Rijo | 1 |
| Ty Jones | Keith Bell | 1 |
| Mary Testa | 1 | |
| Tamara Jenkins | Woman at Party | 1 |
| Rene Rosado | Alonzo Gueterez | 1 |
| Maria Smith | Rita Palladino | 1 |
| Brad Lee Wind | Detective | 1 |
| Curtis Mark Williams | Jack Brady | 1 |
| Roderick Pannell | Rashard Wiggins | 1 |
| Edward D. Murphy | Arraignment Clerk | 1 |
| Chris Bowers | Henry Morris | 1 |
| Will Poston | Handsome Man | 1 |
| Stewart Steinberg | Randall Hellman | 1 |
| Liz Larsen | Brenda Randolph | 1 |
| E.J. Carroll | Al Stultz | 1 |
| Doan Ly | Dr. Linda Culp | 1 |
| Jim Ford | ADA | 1 |
| Will Chase | Dave Lemanski | 1 |
| Deidre Goodwin | Detective in Video | 1 |
| Becky London | Evelyn Hastings | 1 |
| Diane Bradley | Jane Banks | 1 |
| Robert LuPone | Acting Teacher | 1 |
| Lisa Bostnar | Irina Balacova | 1 |