1 of 25 Universal TV/Everett Collection
George Dzundza played Sgt. Max Greevey from 1990-91.
2 of 25 Will Hart/NBC
Dennis Farina played Det. Joe Fontana from 2004-06.
3 of 25 Everett Collection
Chris Noth played Det. Mike Logan from 1990-95. He later reprised the character in the 1998 TV movie, Exiled: A Law & Order Movie, and on Law & Order: Criminal Intent for two seasons.
4 of 25 Eric Liebowitz/NBC
Dann Florek played Capt. Don Cragen from 1990-93. He reprised the role in Exiled: A Law & Order Movie and on Law & Order: Special Victims Unit from its 1999 premiere until now.
5 of 25 Everett Collection
Michael Moriarty (L) played Executive Assistant District Attorney Ben Stone from 1990-94, while Richard L. Brooks (R) played Assistant District Attorney Paul Robinette from 1990-93. Brooks later returned for three guest appearances.
6 of 25 Universal TV/Wolf Film/ Kobal Collection
Steven Hill played District Attorney Adam Schiff from 1990-2000.
7 of 25 Will Hart/NBC
Alana De La Garza played Assistant District Attorney Connie Rubirosa from 2006-10.
8 of 25 NBC
Angie Harmon played Assistant District Attorney Abbie Carmichael from 1998-2001.
9 of 25 Virginia Sherwood/NBC
Annie Parisse played Assistant District Attorney Alexandra Borgia from 2005-06.
10 of 25 Will Hart/NBC
Anthony Anderson played Det. Kevin Bernard from 2008-10.
11 of 25 NBC
Benjamin Bratt played Det. Rey Curtis from 1995-99 and made a guest appearance in 2009.
12 of 25 NBC
Carey Lowell played Assistant District Attorney Jamie Ross from 1996-98.
13 of 25 NBC
Dianne Wiest played District Attorney Nora Lewin from 2000-02.
14 of 25 NBC
Elisabeth Rohm played Assistant District Attorney Serena Southerlyn from 2001-05.
15 of 25 Will Hart/NBC
Jeremy Sisto played Det. Cyrus Lupo from 2008-10.
16 of 25 Everett Collection
Paul Sorvino played Sgt. Phil Cerreta from 1991-92.
17 of 25 David Rose/NBC
Jerry Orbach played Det. Lennie Briscoe from 1992-2004. He reprised the role on the short-lived Law & Order: Trial by Jury.
18 of 25 NBC
Jesse L. Martin played Det. Ed Green from 1999-2008.
19 of 25 Universal TV/Wolf Film/Kobal Collection
Fred Thompson played District Attorney Arthur Branch from 2002-07.
20 of 25 NBC
Jill Hennessy played Assistant District Attorney Claire Kincaid from 1993-96.
21 of 25 Nicole Rivelli/NBC
Linus Roache played Executive Assistant District Attorney Mike Cutter from 2008-10.
22 of 25 NBC
Michael Imperioli played Det. Nick Falco in 2005.
23 of 25 Virginia Sherwood/NBC
Milena Govich played Det. Nina Cassady from 2006-07.
24 of 25 Will Hart/NBC
Sam Waterston played Executive Assistant District Attorney and later District Attorney Jack McCoy from 1994-2010.
25 of 25 Will Hart/NBC
S. Epatha Merkerson played Lt. Anita Van Buren from 1993-2010.