| Richard Belzer | John Munch |
| Andre Braugher | Frank Pembleton |
| Reed Diamond | Mike Kellerman |
| Michelle Forbes | Dr. Julianna Cox |
| Clark Johnson | Meldrick Lewis |
| Yaphet Kotto | Al Giardello |
| Melissa Leo | Kay Howard |
| Max Perlich | J.H. Brodie |
| Kyle Secor | Tim Bayliss |
| Mekhi Phifer | Nathaniel Lee 'Junior Bunk' Mahoney |
| Michael Gaston | Lt. Commander Alex Clifton |
| Zeljko Ivanek | ASA Ed Danvers |
| Toni Lewis | Terri Stivers |
| Erik Dellums | Luther Mahoney
(as Erik Todd Dellums) |
| Rhonda Overby | Reporter Dawn Daniels |
| Ralph Tabakin | M.E. Dr. Scheiner |
| Michael Willis | Darin Russom |
| Andrew DeAngelo | Jimmy Sutter
(as Andrew David DeAngelo) |
| Richard Pilcher | Sgt. Mark Deutch |
| Seth Silver | Inmate |
| David St. Louis | Angry Man |
| Sharon Ziman | Naomi |
| Parvin Farhoody | Althea Little
(uncredited) |
| Isabella Hofmann | Megan Russert
(voice) (uncredited) |
| Bob Lau | Process Server
(uncredited) |
| Charley Scalies | Sgt. Sal Burns
(uncredited) |