NYPD Blue season 4
The fourth season of NYPD Blue premiered on ABC on October 15, 1996, and concluded on May 20, 1997.
| Actor | Character | Main cast | Recurring cast |
| Jimmy Smits | Bobby Simone | entire season | |
| Dennis Franz | Andy Sipowicz | entire season | |
| James McDaniel | Arthur Fancy | entire season | |
| Nicholas Turturro | James Martinez | entire season | |
| Sharon Lawrence | Sylvia Costas | credited in all but only appeared in 1,7,11,&15 | |
| Gordon Clapp | Greg Medavoy | entire season | |
| Kim Delaney | Diane Russell | entire season | |
| Andrea Thompson | Jill Kirkendall | eps.6–8,10-14,17-18,20 |