Richard Belzer
John Munch (122 eps)
Clark Johnson
Meldrick Lewis (122 eps)
Yaphet Kotto
Al Giardello (122 eps)
Kyle Secor
Tim Bayliss (122 eps)
Andre Braugher
Frank Pembleton (100 eps)
Melissa Leo
Kay Howard (77 eps)
Reed Diamond
Mike Kellerman (69 eps)
Jon Seda
Paul Falsone (47 eps)
Michelle Forbes
Julianna Cox (45 eps)
Callie Thorne
Laura Ballard (45 eps)
Isabella Hofmann
Megan Russert (45 eps)
Clayton LeBouef
Capt. George Barnfather (38 eps)
Max Perlich
J. H. Brodie (36 eps)
Daniel Baldwin
Beau Felton (35 eps)
Ned Beatty
Stanley Bolander (33 eps)
Ralph Tabakin
Dr. Scheiner (29 eps)
Peter Gerety
Stuart Gharty (25 eps)
Toni Lewis
Terri Stivers (23 eps)
Giancarlo Esposito
Michael Giardello (22 eps)
Michael Michele
Rene Sheppard (22 eps)
Kristin Rohde
Officer Sally Rogers (17 eps)
Ellen McElduff
Billie Lou Hatfield (15 eps)
Jon Polito
Steve Crosetti (13 eps)
Zeljko Ivanek
Ed Danvers (8 eps)
Gerald F. Gough
Col. Burt Granger (8 eps)
Harlee McBride
Dr. Alyssa Dyer (8 eps)
Lee Tergesen
Officer Chris Thormann (7 eps)
Edie Falco
Eva Thormann (5 eps)
Pamela Payton-Wright
Sister Magdalena Weber (4 eps)
Laurie Kennedy
City Attorney Felicity Weaver (4 eps)
Julie Lauren
Off. Anne Schanne (4 eps)
Mary B. Ward
Beth Felton (4 eps)
Al Freeman Jr.
Deputy Commissioner James Harris (3 eps)
Dean Winters
Tom Marans (3 eps)
Gloria Reuben
Det. Theresa Walker (3 eps)
Tony Todd
Matt Rhodes (3 eps)
Michael Currie
Wesley Howard (3 eps)
Dana Ivey
Margie Bolander (3 eps)
Sean Whitesell
Dr. Eli Devilbiss (3 eps)
Tony Lo Bianco
Det. Mitch Drummond (3 eps)
Walt MacPherson
Roger Gaffney (3 eps)
Ami Brabson
Mary Pembleton (3 eps)
Julianna Margulies
Linda (2 eps)
Joe Morton
Sam Thorne (2 eps)
Frank John Hughes
Zithead Mazursky (2 eps)
Ed Lauter
Gruszynski (2 eps)
Lauren Tom
Emma Zoole (2 eps)
John Waters
R. Vincent Smith (2 eps)
Lyle Kanouse
Bret Blakely (2 eps)
Stephanie Romanov
Anne Kennedy (2 eps)
Luis Guzmán
Lorenzo 'Larry' Molera (2 eps)
Jeff Mandon
Off. Fred Hellriegel (2 eps)
Michael Stanton Kennedy
Lt. Jimmy Tyron (2 eps)
Helen Carey
A.S.A. Maggie Conroy (2 eps)
Adrienne Shelly
Tanya Quinn (1 eps)
Robin Williams
Robert Ellison (1 eps)
Lucinda Jenney
Pamela Wilgis (1 eps)
Nancy Marchand
Lorraine Freeman (1 eps)
Steve Buscemi
Gordon Pratt (1 eps)
Valerie Perrine
Brigitta Svendsen (1 eps)
Illeana Douglas
Gina Doolen (1 eps)
Shawn Hatosy
Lyle Warner (1 eps)
Sean Nelson
Ronnie Sayers (1 eps)
Barnard Hughes
Sam O'Donnell (1 eps)
David Morse
Jim Bayliss (1 eps)
Bruno Kirby
Victor Helms Sr. (1 eps)
Wilford Brimley
Harry 'The Admiral' Prentice (1 eps)
Howie Mandel
Interior Decorator (1 eps)
Jerry Stiller
McGonnigal (1 eps)
Pamela Isaacs
Amanda (1 eps)
Jayne Meadows
Mrs. Cochran (1 eps)
Isaiah Washington
Lane Staley (1 eps)
Jason Kravits
P.R. Lacques (1 eps)
Paul Schulze
Miles Stradinger (1 eps)
Richard Edson
Danny Newton (1 eps)
Fisher Stevens
Jonathan Heine (1 eps)
Steve Allen
Mr. Cochran (1 eps)
Tom Atkins
Grenville Rollins (1 eps)
Jake Gyllenhaal
Matt Ellison (1 eps)
Edgar Allan Poe IV
Harvey (1 eps)
Julia Devin
Abby Ellison (1 eps)
Chris Noth
Detective Mike Logan (1 eps)
Antonio D. Charity
Kid Funkadelic / Marvin (1 eps)
Julie Nathanson
Katherine Rainer (1 eps)
Leonard Jackson
Cemetery Manager (1 eps)
Steve Harris
Bernard (1 eps)
Mary Joy
Jerry Jempsen's Ex-wife (1 eps)
Beverly Brigham
Mrs. Goode (1 eps)
Alexander Chaplin
Johnny (1 eps)
Jim Grollman
Jerry Jempson (1 eps)
Joe Hansard
Jimmy Lee Shields (1 eps)
Keith Johnson
Uniform Officer #1 (1 eps)
Hans Kramm
Bar Owner (1 eps)
Oni Faida Lampley
Dollie Withers (1 eps)
Cliff McMullen
Uniform Policeman #2 (1 eps)
Carter McNeese
Mr. Goode (1 eps)
Alan J. Wendl
Desk Man (1 eps)
Lem Wills
Guard (1 eps)
Sharon Ziman
Naomi (1 eps)
Joseph Attanasio
Funeral Director (uncredited) (1 eps)
Jason Frazier
Butchie (uncredited) (1 eps)
Mary Jefferson
Calpurnia Church (uncredited) (1 eps)
Rhea Seehorn
Jenny (1 eps)
Michael Willis
Darin Russom (1 eps)
Irma St. Paule
Rosina Giardello (1 eps)
Delaney Williams
Joey Grimaldi (1 eps)
Maggie Rush
Monica Thorne (1 eps)
Timothy Hayes Lynch
Sam Straub (1 eps)
Francie Glick
Abigail Brokaw (1 eps)
Caron Tate
Renee Perkins (1 eps)
Vincent Miller
Tweety (1 eps)
Jennifer Mendenhall
Kerry Weston (1 eps)
Michael Chaban
Chuck 'Chuckie' Prentice (1 eps)
Kyf Brewer
Off. Jerry Ryan (1 eps)
June Thorne
Dale Staley (1 eps)
Scott Neilson
Jeremy Schaab (1 eps)
Hugh Hodgin
Fuchs (1 eps)
Traber Burns
Forte (1 eps)
Darryl Wharton
Matt Cameron (1 eps)
Heather Brown
Beatrice Crosetti (1 eps)
Joey Perillo
Bernard (1 eps)
John Dossett
Chick (1 eps)
Gareth Williams
Chris Haskett (1 eps)
John C. Hansen
Josh (1 eps)
Ryan Todd
Fidel McGibney (1 eps)
Gay Thomas Wilson
Mary Nawls (1 eps)
Rhonda Stubbins White
Patrice Sayers (1 eps)
Nanna Ingvarsson
Theresa Cousart (1 eps)
Dick Stilwell
Congressman Jeremy Wade (1 eps)
Timothy Wheeler
Preacher (1 eps)
Eddie Daniels
Bree (1 eps)
Robert Clohessy
Detective Douglas Jones (1 eps)
Lily Knight
Natalie Jones (1 eps)
Michael Gabel
Mr. Yeaton (1 eps)
Bobby DeAngelo
Bob Reardon (1 eps)
Steve Hofvendahl
Glen Holton (1 eps)
Beau James
Det. Willard Higby (1 eps)
John Ventimiglia
Manuel (1 eps)
Irv Ziff
Mr. Lebkowitz (1 eps)
Henry Strozier
Elden Warner (1 eps)
Helen Stenborg
Isabella Kunkle (1 eps)
John Panzarella
Harvey Malone (1 eps)
Stan Kang
Bobby (1 eps)
Johnny Alonso
David Scholtz (1 eps)
Tyler Mason Buckalew
Victor Helms Jr. (1 eps)
Margaret Trigg
Veronica Velez (1 eps)
Chuck Jeffreys
Calvin Jones (1 eps)
Adam Trese
Gavin Robb (1 eps)
Pat McNamara
Mike Kellerman, Sr. (1 eps)
Sagan Lewis
Judge Susan Aandahl (1 eps)
Christine Moore
Secretary (1 eps)