- Keith Richmond
- stage manager (217 episodes, 1998-2007)
- Jean Severson
- material coordinator / materials coordinator / production coordinator (197 episodes, 1999-2007)
- Jonathan Barry
- creative consultant / program consultant (183 episodes, 1999-2007)
- Michael Carnes
- creative consultant / program consultant (174 episodes, 1999-2007)
- Josh Gilbert
- creative consultant / program consultant (173 episodes, 1999-2007)
- Bruce Baum
- creative consultant / program consultant (146 episodes, 1999-2007)
- Hal Spear
- creative consultant / program consultant (146 episodes, 1999-2007)
- Ron West
- creative consultant / program consultant (145 episodes, 1999-2007)
- John Pritchett
- technical director (138 episodes, 1999-2007)
- Harve Levine
- stage manager (137 episodes, 2000-2007)
- Jerry Saslow
- creative consultant / program consultant (133 episodes, 2000-2007)
- Lance Kinsey
- creative consultant / program consultant (124 episodes, 1998-2007)
- Caroline Martinez
- film researcher / segment coordinator (99 episodes, 1999-2007)
- Brian Moraga
- production staff (91 episodes, 1998-2007)
- Alexia Gerardo
- craft service (82 episodes, 1998-2006)
- Lionel Pasamonte
- stage manager (75 episodes, 1998-2007)
- John Perches
- film researcher (73 episodes, 2000-2007)
- Keith Eisner
- creative consultant (72 episodes, 2000-2007)
- Melinda Cote
- production coordinator (71 episodes, 1998-2007)
- Carrie Havel
- material coordinator / assistant to producers / assistant: producers (71 episodes, 1998-2007)
- Jason Scott
- material coordinator / production staff (70 episodes, 1998-2007)
- Daniel Hsu Accomando
- segment coordinator / film researcher (67 episodes, 1999-2004)
- Tom Cannon
- stage hand (62 episodes, 1999-2007)
- George Selby
- stage hand (62 episodes, 1999-2007)
- Allison L. Staak
- production coordinator (62 episodes, 2000-2007)
- Beth Armogida
- creative consultant (54 episodes, 2001-2007)
- Wes Thomas
- production staff (47 episodes, 1998-2007)
- Anne Lewis
- program consultant (47 episodes, 1999-2004)
- Suzanna Ellis
- material coordinator / production staff (45 episodes, 2000-2006)
- Laurie Howarter
- production coordinator (45 episodes, 2001-2007)
- Melanie Macfee
- program consultant (44 episodes, 1999-2004)
- George Ann Forti
- craft service (43 episodes, 2000-2006)
- Melanie Wistar
- creative consultant / program consultant (2 episodes, 1999-2000)
- Alex Walton
- production staff (36 episodes, 2000-2007)
- John Hay
- production staff (34 episodes, 2000-2006)
- Keith Winikoff
- technical director (33 episodes, 1999-2007)
- Kenneth Shapiro
- technical director (32 episodes, 1998-2007)
- Anne Cofell Saunders
- production staff / material coordinator (32 episodes, 1999-2004)
- Marta Sobelman
- production staff (31 episodes, 2001-2007)
- Deborah Adamson
- production coordinator (30 episodes, 2001-2005)
- Colleen Taber
- creative consultant (30 episodes, 2001-2005)
- Stefanie Wilder-Taylor
- creative consultant (30 episodes, 2001-2005)
- John McKinney
- film researcher (29 episodes, 2001-2005)
- Ed Crasnick
- program consultant (24 episodes, 1998-2007)
- Lou DiMaggio
- program consultant (24 episodes, 1998-2007)
- Rabih Gholam
- segment coordinator (24 episodes, 1998-2007)
- Hayes Jackson
- program consultant (24 episodes, 1999-2004)
- Ted Mulkerin
- program consultant (24 episodes, 1999-2004)
- Boon Saleem
- production staff (24 episodes, 2000-2005)
- Randi Schlachter
- production staff (23 episodes, 1998-2007)
- James Yarnell
- production staff (23 episodes, 1998-2007)
- Victor Lopez
- board operator (21 episodes, 1998-2000)
- Lydia Dunn
- film researcher (21 episodes, 2000-2003)
- Erik Kunzelman
- stage manager (21 episodes, 2001-2006)
- Mary Connelly
- creative consultant (21 episodes, 2001-2005)
- Michael C. McCarthy
- program consultant (20 episodes, 1998-2006)
- Samantha Abramsohn
- production staff (20 episodes, 2001-2007)
- Denny Barry
- stage manager (20 episodes, 2001-2005)
- Nora Lynch
- creative consultant (20 episodes, 2001-2005)
- Haroon Saleem
- production assistant (17 episodes, 1998-2000)
- Gary Michael Clark
- lead production accountant (15 episodes, 1998-1999)
- Dhana Taprogge
- production staff (14 episodes, 1999-2001)
- Vanessa McCarthy
- material coordinator (13 episodes, 1999-2006)
- Jeffrey Ross
- creative consultant / program consultant (13 episodes, 2000-2007)
- Amanda Lents
- production staff (13 episodes, 2000-2005)
- Jeremiah McGillicuddy
- production staff (12 episodes, 1999-2004)
- Ed Driscoll
- creative consultant / program consultant (12 episodes, 2000-2007)
- Steven Blum
- associate director (11 episodes, 1998-1999)
- Ellie Crumbaugh
- production staff (11 episodes, 2000-2004)
- Ismael Diaz
- production staff (11 episodes, 2001-2005)
- Angela Stowers
- production staff (9 episodes, 1998-2007)
- Jesse Wolfe
- production staff (9 episodes, 1998-2007)
- Ally Hawkins
- production staff (9 episodes, 2001-2005)
- Russ Reinsel
- technical director (9 episodes, 2001-2005)
- Daren Woolsey
- production staff / production coordinator (9 episodes, 2001-2005)
- Natalie Ebeid
- production staff (9 episodes, 2001-2003)
- Crafty St. James
- production staff (9 episodes, 2002-2005)
- Leslie Stevens
- production staff (9 episodes, 2002-2005)
- Jon Hill
- stage manager (8 episodes, 1998-2007)
- John Malakoff
- production travel consultant (8 episodes, 2000-2005)
- Tami Kumin
- production staff (8 episodes, 2000-2001)
- Arthur Rasco
- production staff (7 episodes, 1998-2006)
- Raoul Germain
- production coordinator (7 episodes, 1998)
- Devin Wayner
- production staff (7 episodes, 1999-2001)
- Jenny Stanley Kashola
- material coordinator (7 episodes, 2002-2005)
- Justin Yungfleisch
- production staff (6 episodes, 2000-2004)
- Dave Maxwell
- engineer in charge (5 episodes, 1998-1999)
- Jim Corbin
- engineer in charge (5 episodes, 1998)
- Joe Hughes
- stage manager (5 episodes, 1999-2006)
- Gene Crowe
- technical director (4 episodes, 1999-2006)
- Michelle Wilker
- production staff (3 episodes, 1999-2004)
- Scott Macleod
- production staff (3 episodes, 2000)
- Regina Colombo
- production staff (3 episodes, 2002-2005)
- Jim Toten
- engineer in charge (2 episodes, 1998)
- John Bidstrup
- engineer in charge (1 episode, 1998)
- Robert Ferkle
- stage manager (1 episode, 1998)
- Damian Salinas
- board operator (1 episode, 1998)
- Frans Koster
- utility (1 episode, 1999)
- Mark Leveson
- developed for television by (1 episode, 1999)
- Dan Patterson
- developed for television by (1 episode, 1999)
- Bob Tully
- utility (1 episode, 1999)
- Eric Wiley
- creative consultant (1 episode, 1999)
- Rhachel Shaw
- prop assist (1 episode, 2000)
- Peter Edwards
- infinit (1 episode, 2001)
- Steve Kozak
- segment coordinator (1 episode, 2001)
- John Purchese
- film researcher (1 episode, 2001)
- Holly Ollis
- publicist (unknown episodes)
- Dan Didsbury
- production assistant (unknown episodes)
- Gary Juan
- production accountant (unknown episodes)
- Chris Marsall
- electronic graphic artist (unknown episodes)
- Rob Renshaw
- production accountant (unknown episodes)