Paul Manilla ... production accountant (288 episodes, 1997-2010)

Michael Struk ... technical advisor (223 episodes, 1990-2004)

Park Dietz ... technical advisor (169 episodes, 1994-2010)

Don Ohlmeyer ... president of NBC West Coast (160 episodes, 1993-1999)

Gene Ritchings ... production coordinator (155 episodes, 1995-2005)

Lydia Mayberry ... assistant: Dick Wolf / assistant to executive producer / assistant to the executive producer (155 episodes, 2000-2010)

William N. Fordes ... technical advisor / story consultant (131 episodes, 1990-1998)

Jasmine McCaig ... production controller (131 episodes, 2004-2010)

Karen Blythe ... assistant to executive producer / assistant: Dick Wolf / assistant to the executive producer (129 episodes, 1990-1997)

Cheryl D. Sims ... payroll accountant (116 episodes, 1997-2002)

Shiya Ribowsky ... technical advisor (113 episodes, 2004-2010)

James Nuciforo ... technical advisor (106 episodes, 2004-2010)

Eric DelaBarre ... executive assistant (100 episodes, 1991-1996)

George Lombardi ... technical advisor (98 episodes, 2004-2010)

Stephaney Lloyd ... assistant: Ed Sherin / assistant to producers: New York / assistant to New York producers / assistant: New York producers / assistant: to Ed Sherin (95 episodes, 1993-1998)

George Doherty ... production coordinator (94 episodes, 2005-2010)

Clint Koltveit ... assistant to producers / production assistant (92 episodes, 2003-2007)

John Hamilton ... publicity coordinator: Universal Studios Home Entertainment (80 episodes, 2006-2010)

Tom Glick ... production assistant (78 episodes, 2006-2010)

Bob Lewis ... production accountant (71 episodes, 1996-1999)

Leslie Crocker Snyder ... legal consultant / technical advisor (63 episodes, 2004-2007)

Rachel Cates ... assistant production coordinator / production secretary / production assistant (61 episodes, 2008-2010)

Lacey Smithers ... production assistant / production intern / set production assistant (60 episodes, 2004-2010)

Charles Burrell ... production secretary / production assistant (53 episodes, 2005-2008)

Jody Milano Vanderputten ... production coordinator (49 episodes, 1990-1993)

Sandy Medeiros ... production assistant (49 episodes, 2001-2002)

Jannett Roberts ... production assistant (48 episodes, 2002-2004)

Adam Ben Frank ... production assistant (46 episodes, 1995-1997)

Arianne Apicelli ... set production assistant (46 episodes, 2004-2006)

Amy Durning ... assistant to producers (46 episodes, 2008-2009)

Jeffrey Rosen ... legal consultant (45 episodes, 2008-2010)

Barry M. Schkolnick ... story editor / executive story editor (44 episodes, 1995-1997)

Carla Hoade ... safety manager (44 episodes, 2008-2010)

Gillian Berrow ... production assistant / production secretary (41 episodes, 2008-2010)

Joseph Turner ... set production assistant / key set production assistant (41 episodes, 2008-2009)

Angela Cutrone ... production assistant / additional production assistant (40 episodes, 2005-2008)

Matthew McGough ... legal consultant (38 episodes, 2006-2008)

Elizabeth Carlton Chase ... coordinator of production: Studios USA (37 episodes, 2000-2001)

I.C. Rapoport ... executive story editor / story editor (35 episodes, 1997-1998)

Russell Dephillips ... picture karts/cars (34 episodes, 1994-1995)

Matt Witten ... story editor / executive story editor (33 episodes, 2000-2002)

Noah Baylin ... story editor / executive story editor (33 episodes, 2002-2004)

Morgan Gendel ... executive story editor (32 episodes, 1994-1996)

Aaron Zelman ... executive story editor / story editor (32 episodes, 2001-2003)

Jeremy R. Littman ... executive story editor / story editor (30 episodes, 1995-1996)

Ed Zuckerman ... executive story editor / story editor (27 episodes, 1990-1994)

Lynne E. Litt ... story editor (24 episodes, 1999-2000)

Kelsey Biggs ... office production assistant (24 episodes, 2000-2001)

Ann Calhoun ... production assistant (24 episodes, 2001-2002)

Chris Arena ... production office production assistant (24 episodes, 2002-2003)

Matthew Artus ... production assistant (24 episodes, 2004-2005)

Alfredo Barrios Jr. ... executive story editor (24 episodes, 2004-2005)

Rachel C. Webster ... production assistant / assistant to producer (24 episodes, 2008)

Diana Miceri ... production assistant (23 episodes, 1994-1995)

Charlie Birns ... office production assistant (23 episodes, 2009-2010)

John J. Kelly III ... office production assistant (23 episodes, 2009-2010)

Robert Nathan ... executive story editor / story editor (22 episodes, 1990-1991)

Michael S. Chernuchin ... executive story editor / story editor (22 episodes, 1991-1992)

Eddie Griffith ... office production assistant (22 episodes, 2005-2006)

Davey Holmes ... story editor (22 episodes, 2005-2006)

Pamela J. Wechsler ... technical advisor / legal consultant (22 episodes, 2005-2006)

Soren Miltich ... key production assistant (22 episodes, 2006-2007)

Brian Papworth ... production assistant (22 episodes, 2006-2007)

Tommy South ... production assistant (22 episodes, 2008-2009)

TaMarah Philpot ... executive assistant to executive producer (21 episodes, 1998-1999)

Tom Smuts ... executive story editor (21 episodes, 2005-2006)

David Wilcox ... executive story editor (21 episodes, 2005-2006)

David Slack ... executive story editor (21 episodes, 2006-2007)

Richard Sweren ... story editor (20 episodes, 1997-1998)

Lindsey Lefkow ... office production assistant (20 episodes, 2006-2007)

Wendy Battles ... executive story editor (19 episodes, 2000-2003)

Clay Broaddus ... set production assistant (19 episodes, 2009-2010)

Jacob Eben ... production assistant (18 episodes, 2008)

James LeSage ... production assistant (17 episodes, 2006-2007)

Marc Guggenheim ... executive story editor (16 episodes, 2001-2002)

Gilberto Diaz ... additional set production assistant - uncredited (15 episodes, 1995-1996)

Joe Gonzalez ... production coordinator (15 episodes, 2004-2010)

Allison Dillard ... production safety manager (15 episodes, 2006-2007)

Janine Ellis ... production assistant (12 episodes, 2005-2006)

Megan Stas ... intern (12 episodes, 2006-2007)

Betty Green ... title designer (11 episodes, 1990)

Rene Balcer ... story editor (11 episodes, 1992)

Luke Crawford ... production assistant (11 episodes, 2006-2007)

Lora Sorrentino ... set production assistant (11 episodes, 2008-2009)

Francisco Escobar ... production assistant (10 episodes, 2000-2003)

Karlena Barbosa ... production assistant (9 episodes, 2005)

Ryan J. Wilson ... production assistant (9 episodes, 2008-2009)

Faya Madrid ... production assistant (8 episodes, 2005-2006)

Katie Jo Sheek ... publicity intern (8 episodes, 2007)

Liz Magee ... production assistant (8 episodes, 2008)

Cathleen McFadyen ... production assistant (7 episodes, 2006-2009)

Breta Bas ... production assistant (7 episodes, 2008)

Juan Pablo Hernandez ... additional set production assistant (7 episodes, 2008)

David Hummel ... production assistant (6 episodes, 1991-1992)

Jarrod Valliere ... production assistant (6 episodes, 2005)

Brian Giannone ... assistant to line producer / production secretary (6 episodes, 2008-2010)

Dan Majkut ... production assistant (6 episodes, 2008-2009)

Conor Kelly ... set production assistant (5 episodes, 2008-2009)

Alexander Etseyatse ... production assistant (5 episodes, 2008)

S.B. Weathersby ... production assistant (5 episodes, 2008)

Colin J. Louro ... production assistant (5 episodes, 2009)

Courtney Henley-Anderson ... production assistant (4 episodes, 1995)

Marc Abbott ... production assistant (4 episodes, 1996-1999)

Kyle Hess ... production assistant (4 episodes, 2006)

Michael C. Lizzio ... production assistant (4 episodes, 2006)

Heather Verbeke ... production assistant (4 episodes, 2008)

Dominic Marcus ... adr voice actor (3 episodes, 1999-2001)

Tyler Lee Allen ... production assistant (3 episodes, 2008-2009)

Kia W. Thompson ... set production assistant (3 episodes, 2008-2009)

Lisa Falzarano ... production assistant (3 episodes, 2008)

Zachary May ... production assistant (2 episodes, 2003)

Eric Espeut III ... production assistant (2 episodes, 2005-2006)

Matt Maisto ... production assistant (2 episodes, 2005)

Carlos Medeiros ... additional production assistant: first team (2 episodes, 2006)

Denise Violante ... production assistant (2 episodes, 2006)

Tom Mone ... set production assistant (2 episodes, 2007)

Ramona Adair ... production assistant (2 episodes, 2009-2010)

Jennifer Hackney ... production assistant (2 episodes, 2009-2010)

Jay Ferraro ... production assistant (2 episodes, 2009)

Gus Spelman ... production assistant (2 episodes, 2009)

Annamaria Sofillas ... production assistant (2 episodes, 2010)

Lynn Elliot ... production assistant (1 episode, 1990)

Debra Tanklow ... production office coordinator (1 episode, 1990)

James J. Ferris ... stage manager (1 episode, 1991)

Esmee Einerson ... production assistant (1 episode, 1995)

Marc Ameruso ... set production assistant (1 episode, 1997)

Suzanne McNulty ... production assistant (1 episode, 1997)

Haffe Acosta ... production assistant (1 episode, 1998)

Chris Marazzo ... production assistant (1 episode, 1998)

Rodney Saulsberry ... adr/voice talent (1 episode, 2000)

Matthew Gordon ... production assistant (1 episode, 2001)

Jeff Jones Karr ... Loop Group (1 episode, 2002)

Thomas G. Cook ... production assistant (1 episode, 2003)

Katherine Hoskins Mackey ... stand-in: female (1 episode, 2005)

Harry Lapham ... production assistant (1 episode, 2005)

Manara Nivron ... production assistant (1 episode, 2005)

Frank Slaten ... production assistant (1 episode, 2005)

Chester Tam ... production assistant (1 episode, 2005)

Krista Swan ... additional voices (1 episode, 2006)

Vince Brown ... production assistant (1 episode, 2008)

Anthony L. Fisher ... production assistant (1 episode, 2008)

Sally May Homer ... production assistant: background (1 episode, 2008)

Lucie Terranova ... production assistant (1 episode, 2008)

Gregory Bastien ... set production assistant (1 episode, 2009)

Mary Knauf ... set production assistant (1 episode, 2009)

Anne Yvette Legendre ... production assistant (1 episode, 2009)

Logan Steinhardt ... production assistant (1 episode, 2009)

James P. Stephens ... photo double (tom everett scott) (1 episode, 2009)

Liz Whelan ... production assistant (1 episode, 2009)

Tommie Jesse ... production assistant (1 episode, 2010)

Anthony Azzara ... first assistant accountant (uncredited) / assistant accountant (uncredited) (365 episodes, 1993-2010)

Deborah Devgan ... assistant: Ed Sherin (uncredited) (63 episodes, 1997-2000)

Sam Arthurs ... armorer (uncredited) (63 episodes, 2007-2009)

Charlie Reeves ... second assistant accountant (uncredited) (44 episodes, 2008-2010)

Cassie Hay ... second assistant accountant (uncredited) (40 episodes, 2006-2008)

Ryan Washburn ... armorer (uncredited) (37 episodes, 2009-2010)

John Paul Roche ... writing assistant (uncredited) (22 episodes, 2006-2007)

Thomas Maxwell ... production assistant (uncredited) (14 episodes, 2004-2006)

Nicholas Wolfert ... production assistant (uncredited) (5 episodes, 1991-1992)

Lauren Bullock ... production assistant (uncredited) (3 episodes, 1992)

Matthew Parton ... production assistant (uncredited) (2 episodes, 2001-2002)

Omar Adam ... adr actor (uncredited) (1 episode, 1993)

Tristan Carrasco ... extra (uncredited) (1 episode, 1997)

David Boston ... stand-in: Micheal P. Moran (uncredited) (1 episode, 2002)

Philip Ng ... production assistant (uncredited) (1 episode, 2003)

Pamela Fischer ... stand-in - mariel hemingway (uncredited) (1 episode, 2007)

Roger J. Timber ... stand-in: Anthony Anderson (uncredited) (1 episode, 2008)

Renee Fishman ... hospital ventilator critical care-intensive care technical advisor (uncredited) (1 episode, 2009)

Anna Kuchma ... stand-in: Kelly Hutchinson (uncredited) (1 episode, 2009)

Rebecca Lindsey ... set production assistant (uncredited) (1 episode, 2010)