- Hiroe Goto
- sculptor (51 episodes, 2013-2019)
- Nora Earlie
- storyboard artist (33 episodes, 2013-2019)
- Kristal Babich
- storyboard artist (32 episodes, 2013-2019)
- Villamor Cruz
- storyboard artist / conceptual scenic designer / head storyboard artist / storyboard director (30 episodes, 2013-2019)
- Iain Collins
- storyboard artist (29 episodes, 2013-2018)
- Victoria Cloyes
- property master / model maker (27 episodes, 2013-2017)
- Leah N. Olbrich
- puppet fabricator / puppet fabrication (26 episodes, 2017-2019)
- Liz Allen
- lead silicone painter (25 episodes, 2013-2019)
- Carol Koch
- lead character sculptor (25 episodes, 2013-2019)
- Katrina Schaffer
- character fabrication intern / puppet fabricator / art department intern / puppet fabrication (25 episodes, 2013-2019)
- Rachel Fisher
- model maker (24 episodes, 2013-2019)
- Barney Marquez
- lead character fabricator / head of character fabrication (24 episodes, 2013-2019)
- Jeff White
- model maker / property master / lead model maker (24 episodes, 2013-2019)
- Lesley Wisley Padien
- sculptor / character sculptor (24 episodes, 2013-2019)
- Robyn Yannoukos
- lead painter (24 episodes, 2013-2019)
- Patrick Zung
- armature consultant / armature fabricator (23 episodes, 2013-2019)
- Nancy Parczyk
- lip sync designer / puppet fabricator (22 episodes, 2013-2019)
- Drew Hodges
- character designer (16 episodes, 2013-2017)
- Ben Record
- model maker / carpenter (16 episodes, 2015-2019)
- Nadine Purificato
- character fabrication intern / character hair technician / puppet hair (15 episodes, 2013-2015)
- Brent Johnson
- modelmaker / model maker (14 episodes, 2015-2017)
- Sarah Aspinall
- character fabrication intern (13 episodes, 2013-2014)
- Marjorie Boyle
- art department intern (13 episodes, 2013-2014)
- Oliver Chapman
- molding and casting / lead molding and casting (13 episodes, 2013-2014)
- Lisa Chung
- character fabrication intern (13 episodes, 2013-2014)
- Marta Da Costa
- molding and casting (13 episodes, 2013-2014)
- Noah DePietro
- model maker / propmaker (13 episodes, 2013-2014)
- Pia Dulu
- model maker (13 episodes, 2013-2014)
- Patrick Dunn-Baker
- model maker (13 episodes, 2013-2014)
- Frank Duran
- model maker (13 episodes, 2013-2014)
- Dan Field
- head of character fabrication (13 episodes, 2013-2014)
- Hedy Lee
- character fabrication intern (13 episodes, 2013-2014)
- Yizhou Li
- character fabrication intern (13 episodes, 2013-2014)
- Krystal Newmark
- character fabrication intern (13 episodes, 2013-2014)
- Scott Noel
- scenic painter (13 episodes, 2013-2014)
- Todd Noel
- miniature painter (13 episodes, 2013-2014)
- Molly Osborne
- character fabrication intern (13 episodes, 2013-2014)
- Sinae Park
- art department intern (13 episodes, 2013-2014)
- Scott Ramirez
- character sculptor / sculptor (13 episodes, 2013-2014)
- Rebecca Stillman
- character hair technician (13 episodes, 2013-2014)
- Emily Marcouiller
- Art Department Coordinator (13 episodes, 2017)
- Sean Ghobad
- lead assistant painter / miniature painter (12 episodes, 2015-2019)
- Meirav Haber
- puppet painter / assistant puppet painter / assitant puppet painter (12 episodes, 2015-2016)
- Paula Lauterbach
- molding and casting (11 episodes, 2015-2019)
- Tom Hall
- scenic painter (10 episodes, 2015-2019)
- Heather Collins
- puppet painter / puppet fabrication (10 episodes, 2017-2019)
- Rachel Mark
- puppet painter (10 episodes, 2017-2019)
- Bird McCargar
- puppet fabrication: hair / pupper fabrication: hair (10 episodes, 2017-2019)
- Alexandria Del Rosario
- shop coordinator (10 episodes, 2017)
- Isabelle Gedigk
- storyboard artist (9 episodes, 2015-2016)
- Irisa Hou
- model maker (9 episodes, 2018-2019)
- Rachel Robinson
- puppet fabricator / art department intern (9 episodes, 2018-2019)
- Miles Votek
- puppet fabricator (9 episodes, 2018-2019)
- Chris Hawthorne
- model maker (8 episodes, 2014)
- Stevie Nemazee
- armaturist (8 episodes, 2017-2018)
- Emily Leising
- model maker (8 episodes, 2018-2019)
- Daniel Miller
- model maker (8 episodes, 2018-2019)
- Marz Jr.
- storyboard artist (7 episodes, 2015-2016)
- Christian Hooton
- model maker (7 episodes, 2018-2019)
- Sean Pendergrass
- storyboard artist (6 episodes, 2015-2016)
- Bradford Plows
- model maker (6 episodes, 2015)
- Dalton Grant
- storyboard artist (5 episodes, 2015-2016)
- Nellie Veitenheimer
- model maker (5 episodes, 2018-2019)
- Maximilian Lopez
- armature assistant (5 episodes, 2018)
- Eric Vennemeyer
- puppet fabricator (5 episodes, 2018)
- Amy Chinelli
- prop fabricator / set dresser / set intern (4 episodes, 2017)
- Stephanie James
- puppet fabricator (3 episodes, 2017)
- George Metaxas
- model maker (3 episodes, 2018)
- Richard Van As
- model maker (2 episodes, 2013-2014)
- Sadie Nash
- model maker (2 episodes, 2015-2017)
- Regis Camargo
- storyboard artist (2 episodes, 2015)
- Graham Curran
- assistant puppet painter (2 episodes, 2015)
- Jason 'Fitz' Fitzgerald
- puppet fabricator (2 episodes, 2015)
- Aaron Rivera
- assistant puppet painter / miniature painter (2 episodes, 2015)
- Daniel Blondet
- model maker (1 episode, 2015)
- Cheryl Cayetano
- storyboard coordinator (1 episode, 2015)
- Frank Cerney
- model maker (1 episode, 2015)
- Villamor Cruz Jr.
- storyboard director (1 episode, 2015)
- Jack McRory
- puppet fabricator (1 episode, 2015)
- Thomas Everts
- model maker (1 episode, 2017)
- Rick O'Brien
- model maker (1 episode, 2017)
- Petrina Mina
- art department intern (1 episode, 2018)
- Gregory Sesma
- storyboard artist: The Big Dig (uncredited) / storyboard artist: Woohoo Kazoo! (uncredited) (2 episodes, 2014)
