| Richard Belzer | John Munch |
| Giancarlo Esposito | Mike Giardello |
| Peter Gerety | Stuart Gharty |
| Clark Johnson | Meldrick Lewis |
| Yaphet Kotto | Al Giardello |
| Toni Lewis | Terri Stivers |
| Michael Michele | Rene Sheppard |
| Kyle Secor | Tim Bayliss |
| Jon Seda | Paul Falsone |
| Callie Thorne | Laura Ballard |
| George Hearn | Independent Counsel William Dell |
| Julie Nathanson | Katherine Rainer |
| Charles Malik Whitfield | Walter Boyce |
| Jimmie Ray Weeks | Theodore Dawkins
(as Jimmy Ray Weeks) |
| Tammy Arnold | Carla Bernardi
(as Tammy Christine Arnold) |
| Adam Grupper | Ned Burks |
| Marcus Giamatti | Bernard Abrams |
| Clayton LeBouef | Col. George Barnfather |
| Zeljko Ivanek | ASA Ed Danvers |
| Benjamin Bratt | Detective Rey Curtis |
| Jerry Orbach | Detective Lennie Briscoe |
| Sam Waterston | E.A.D.A. Jack McCoy |
| Janet Zarish | Judy Palnick |
| Leslie Hendrix | Dr. Elizabeth Rodgers
(archive footage) (uncredited) |
| S. Epatha Merkerson | Lieutenant Anita Van Buren
(archive footage) (uncredited) |
| Eric Alan Wendell | Medical Examiner Technician
(uncredited) |
| Sharon Ziman | Naomi
(uncredited) |