| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Dick Wolf | Crew | Production | Producer, Story | 13 |
 Robert Palm | Crew | Writing | Story | 1 |
Willie Reale | Crew | Writing | Teleplay | 1 |
 Abe Vigoda | Cast | Actor | Joseph Spiaggio | 1 |
 Adam LeFevre | Cast | Actor | 1 | |
Amy Laughlin | Cast | Actress | 1 | |
 Andre Royo | Cast | Actor | 1st Junkie | 1 |
 Angelica Page | Cast | Actress | Nurse | 1 |
 Barnard Hughes | Cast | Actor | 1 | |
 Bebe Neuwirth | Cast | Actress | Nikki Masucci | 13 |
 Brian Tarantina | Cast | Actor | 1 | |
 Chance Kelly | Cast | Actor | 1 | |
 Chip Zien | Cast | Actor | Sammy Klein | 9 |
 Chris Beetem | Cast | Actor | 3 | |
 Christina Chang | Cast | Actress | Beth Khambu | 13 |
 Damon Gupton | Cast | Actor | Charles Foster | 13 |
 Daniel Stewart Sherman | Cast | Actor | 1 | |
 David Aaron Baker | Cast | Actor | 1 | |
 David Johansen | Cast | Actor | 1 | |
 David McCallum | Cast | Actor | 1 | |
 Dean Winters | Cast | Actor | Des Lonegan | 1 |
 Erik Jensen | Cast | Actor | Feldman | 1 |
 George Plimpton | Cast | Actor | 1 | |
Gerrit Vooren | Cast | Actor | Orderly #1 | 1 |
 Henry Yuk | Cast | Actor | Vendor | 1 |
Hope Davis | Cast | Actress | Brooke Benton | 13 |
 Irma St. Paule | Cast | Actress | Lina Masucci | 1 |
Jean De Baer | Cast | Actress | 2 | |
 Joe Grifasi | Cast | Actor | 1 | |
 John Bedford Lloyd | Cast | Actor | 1 | |
 John Cenatiempo | Cast | Actor | Johnny Stracciatella | 1 |
 John Elsen | Cast | Actor | Gus | 1 |
 John Rothman | Cast | Actor | 1 | |
 Josh Stamberg | Cast | Actor | 1 | |
 Keith Reddin | Cast | Actor | 1 | |
 Kerry Washington | Cast | Actress | 1 | |
 Kevin Daniels | Cast | Actor | 1 | |
 Kevin Mambo | Cast | Actor | 1 | |
 Lili Taylor | Cast | Actress | Hildy Baker | 13 |
 Maddie Corman | Cast | Actress | 1 | |
 Marilyn Chris | Cast | Actress | 1 | |
 Marisa Ryan | Cast | Actress | 1 | |
 Mark Blum | Cast | Actor | 1 | |
 Matthew Cowles | Cast | Actor | 1 | |
 Matthew Maher | Cast | Actor | 2nd Junkie | 1 |
Maurizio Benazzo | Cast | Actor | Priest | 1 |
 Michael Gaston | Cast | Actor | Walter Fresco | 6 |
 Michael Mastro | Cast | Actor | Doctor Grant | 1 |
 Miriam Shor | Cast | Actress | 1 | |
 Myra Lucretia Taylor | Cast | Actress | Metro Editor | 1 |
 Olek Krupa | Cast | Actor | 1 | |
 Oliver Platt | Cast | Actor | Wallace Benton | 13 |
 Paul Provenza | Cast | Actor | 1 | |
 Paul Rudd | Cast | Actor | 1 | |
 Peter Appel | Cast | Actor | Frankie Esposito | 1 |
 Rick Shapiro | Cast | Actor | Pable Salcedo | 1 |
 Robert Rodriguez | Cast | Actor | 1 | |
 Ruthie Henshall | Cast | Actress | 1 | |
 Sal Richards | Cast | Actor | Tommy Mistretta | 1 |
 Sam McMurray | Cast | Actor | 1 | |
 Sarita Choudhury | Cast | Actress | Sahira Ondaatje | 1 |
 Stephanie Berry | Cast | Actress | 1 | |
 Suzanne Shepherd | Cast | Actress | Connie Masucci | 1 |
 Tom Conti | Cast | Actor | Si Beekman | 13 |
 Toni Kalem | Cast | Actress | Angela Masucci | 1 |
 Tony Cucci | Cast | 1 | ||
 Tony Lo Bianco | Cast | Actor | Rosario Masucci | 1 |
 Tonye Patano | Cast | Actress | 1 | |
 Anna Belknap | Cast | Actress | Chase | 1 |
 Liza Colón-Zayas | Cast | Actress | 1 | |
 Roxanna Hope | Cast | Actress | Marianne Masucci | 1 |
 Tara Hunnewell | Cast | Actress | Lawyer (uncredited) | 1 |
 Yaani King Mondschein | Cast | Actress | 1 | |
Frank Vignola | Cast | Massimo Cavella | 1 | |
 Rosalyn Coleman | Cast | Actress | 1 | |
 Nashawn Kearse | Cast | Actor | 1 | |
 William Cote | Cast | Actor | Salvatore | 1 |
 Jack Merrill | Cast | Actor | Doctor Leekowitz | 1 |
 Aliya Campbell | Cast | Actress | Patty | 1 |
 Andre Donovan | Cast | Actor | Brian | 1 |
Ronald Lew Harris | Cast | Actor | Orderly #2 | 1 |
Les Mau | Cast | Actor | Daddy | 1 |
| Person | Type | Job | Role(s) | Episodes |
