Cast: Police
Police Captains
Dann Florek as Captain Donald 'Don' Cragen (1990-93; Seasons 1-3)*
S. Epatha Merkerson as Lieutenant Anita Van Buren (1993-,Season 4-)
Investigating Officers
George Dzundza as Detective Sergeant Maxwell 'Max' Greevey (1990-91; Season 1)
Chris Noth as Detective Michael 'Mike' Logan (1990-95; Seasons 1-5)*
Paul Sorvino as Detective Sergeant Philip 'Phil' Cerreta (1991-92; Seasons 2-3)
Jerry Orbach as Detective Leonard 'Lennie' W. Briscoe (1992-2004; Seasons 3-14)*
Benjamin Bratt as Detective Reynaldo 'Rey' Curtis (1995-1999; Seasons 6-9)
Jesse L. Martin as Detective Edward 'Ed' Green (1999-2008); Seasons 10-18)
Dennis Farina as Detective Joseph 'Joe' Fontana (2004-06; Seasons 15-16)
Michael Imperioli as Detective Nicholas 'Nick' Falco (Temporary Replacement 2005; Season 15)
Milena Govich as Detective Nina Cassidy (2006 ; Season 17)
Jeremy Sisto as Detective Cyrus Lupo (2008- ; Season 18-)
Anthony Anderson as Detective Kevin Bernard (2008-; Season 18-)
* Dann Florek appears on the spin off Law & Order: Special Victims Unit where he plays Captain Cragen, the role created on Law & Order seveteen years ago. Chris Noth portrays Detective Mike Logan on the spinoff Law & Order: Criminal Intent. Jerry Orbach played the role of Lennie Briscoe on the cancelled Law & Order: Trial By Jury before passing away in December 2004.