- James Wojtal
- puppet builder (77 episodes, 1998-2002)
- Brian Sales
- production assistant (27 episodes, 1999)
- Madeline S. McEneney
- segment associate producer (26 episodes, 1997)
- Greg Pulgin
- technical supervisor (26 episodes, 1997)
- Kip Rathke
- puppet workshop artist: Muppet Workshop, Muppet coordinator / muppet workshop / puppet workshop artist: Muppet Workshop (26 episodes, 1997)
- Andrea Detwiler
- puppet technician (26 episodes, 2002-2006)
- Jodi Eichelberger
- puppeteer (26 episodes, 2002-2006)
- Lara MacLean
- puppet workshop supervisor (26 episodes, 2002-2006)
- Anne Marie Ugarte
- production assistant (22 episodes, 1999)
- Chad Cruikshank
- assistant to producers / production assistant / production staff (6 episodes, 1997-1999)
- Paul Andrejco
- muppet designer (5 episodes, 1997-1999)
- Fred Buchholz
- puppet workshop artist: Muppet Workshop / muppet workshop (5 episodes, 1997-1999)
- Jim Calcaterra
- production coordinator (5 episodes, 1997-1999)
- Edward G. Christie
- puppet workshop artist: Muppet Workshop / muppet workshop (5 episodes, 1997-1999)
- Larry Galanter
- puppet workshop artist: Muppet Workshop / muppet workshop (5 episodes, 1997-1999)
- Larry Jameson
- puppet workshop artist: Muppet Workshop / muppet workshop (5 episodes, 1997-1999)
- Tim Miller
- puppet workshop artist: Muppet Workshop / muppet workshop (5 episodes, 1997-1999)
- Katya O'Hagan
- assistant to producers / production staff (5 episodes, 1997-1999)
- Connie Peterson
- puppet workshop artist: Muppet Workshop / muppet workshop (5 episodes, 1997-1999)
- Anne-Louise Wallace
- stage manager (5 episodes, 1997-1999)
- Marc Delforte
- production assistant (4 episodes, 1998-1999)
- Bruce Dunkins
- key production assistant (4 episodes, 1998-1999)
- Joyce Hsieh
- production accountant (4 episodes, 1998-1999)
- Honey Trabitz
- production assistant (4 episodes, 1998-1999)
- Rich Buhrman
- production coordinator (3 episodes, 1997-1998)
- Dominique Bruballa
- production accountant / production staff (3 episodes, 1997)
- Maria Marini
- production accountant / production staff (3 episodes, 1997)
- Dan Anderson
- curriculum consultant (3 episodes, 1998-1999)
- Mary Brehmer
- puppet workshop artist: Muppet Workshop (3 episodes, 1998-1999)
- Rob Gardner
- puppet workshop artist: Muppet Workshop (3 episodes, 1998-1999)
- Kimberly L. Maisel
- assistant to producers (3 episodes, 1998-1999)
- Michael Meere
- assistant accountant (3 episodes, 1998-1999)
- Amy Posner
- production assistant (3 episodes, 1998-1999)
- Erin Slattery
- production assistant (3 episodes, 1998-1999)
- Dan Stewart
- technical director (2 episodes, 1997-1998)
- Lisa Binassarie
- post production / post production team (2 episodes, 1997)
- Jason Bliss
- production staff (2 episodes, 1997)
- Ilene Merenstein
- post production / post production team (2 episodes, 1997)
- Christine Moyes
- muppet workshop / puppet workshop artist: Muppet Workshop (2 episodes, 1997)
- Terrence Reid
- production staff (2 episodes, 1997)
- Lesley Stewart
- post production / production staff (2 episodes, 1997)
- Matthew Bixby
- production assistant (2 episodes, 1998-1999)
- Jack Cooke
- utilities (2 episodes, 1998-1999)
- Lisa Faranda
- production assistant (2 episodes, 1998-1999)
- Bill Griffith
- production assistant (2 episodes, 1998-1999)
- Kimberly Mitchell
- production assistant (2 episodes, 1998-1999)
- Anne Russo
- production assistant (2 episodes, 1999)
- Danielle Schleif
- production assistant (2 episodes, 1999)
- Ric E. Anderson
- stage manager (1 episode, 1997)
- Jason Arambulo
- production staff (1 episode, 1997)
- Sarah de Gaudemar
- production assistant (1 episode, 1997)
- Michael Orloff
- post production team (1 episode, 1997)
- Samantha Osby
- production staff (1 episode, 1997)
- Nondas Voll
- post production team (1 episode, 1997)
- Richard Wentz
- stage manager (1 episode, 1997)
- Jennifer C. Brooks
- production assistant (1 episode, 1998)
- Karyn Kaplan
- production assistant (1 episode, 1998)
- Barbara J. Howard
- curriculum consultant (1 episode, 1999)
- Richie Wirth
- technical director (1 episode, 1999)
- Brittan Brown
- post-production accountant (1 episode, 2003)
- Eric Handler
- production assistant (uncredited) (1 episode, 1997)