The twelfth and final season of NYPD Blue premiered on ABC on September 21, 2004, and concluded on March 1, 2005.[1]
| NYPD Blue | |
|---|---|
| Season 12 | |
 Season 12 U.S. DVD Cover | |
| No. of episodes | 20 |
| Release | |
| Original network | ABC |
| Original release | September 21, 2004 – March 1, 2005 |
| Season chronology | |
| Actor | Character | Main cast |
|---|---|---|
| Dennis Franz | Andy Sipowicz | entire season |
| Mark-Paul Gosselaar | John Clark, Jr. | entire season |
| Gordon Clapp | Greg Medavoy | entire season |
| Henry Simmons | Baldwin Jones | entire season |
| Jacqueline Obradors | Rita Ortiz | entire season |
| Bill Brochtrup | John Irvin | entire season |
| Currie Graham | Thomas Bale | entire season |
| Bonnie Somerville | Laura Murphy | entire season |
Note: Garcelle Beauvais-Nilon, Jessalyn Gilsig, and John F. O'Donohue did not return for the twelfth season. With the exception of Eddie Gibson being replaced as squad commander, their absences are not explained to the audience.
- ^ Bochco, Jesse (September 21, 2004), Dress for Success, NYPD Blue, Dennis Franz, Mark-Paul Gosselaar, Gordon Clapp, retrieved May 18, 2023