| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Bradley Raymond | Crew | Directing | Director | 5 |
 David Dobkin | Crew | Production | Executive Producer | 23 |
 David Newman | Crew | Sound | Original Music Composer | 23 |
 Dr. Seuss | Crew | Writing | Book | 23 |
 Ellen DeGeneres | Crew | Production | Executive Producer | 23 |
 Mike Karz | Crew | Production | Executive Producer | 13 |
Skip Jones | Crew | Visual Effects | Animation, Character Designer | 13 |
 Rivers Cuomo | Crew | Sound | Theme Song Performance | 13 |
 Sam Register | Crew | Production | Executive Producer | 23 |
 Jared Stern | Crew | Writing | Writer, Creator | 7 |
Piero Piluso | Crew | Directing | Director | 11 |
Kate Thulin | Crew | Writing | Writer | 3 |
Vanessa McGee | Crew | Writing | Writer | 3 |
 Yola | Crew | Sound | Theme Song Performance | 10 |
Brian Schacter | Crew | Writing | Writer | 3 |
Lawrence Gong | Crew | Directing | Director | 7 |
Katie Greenway | Crew | Writing | Writer | 3 |
Mark Rizzo | Crew | Writing | Writer | 8 |
 Bob Joles | Cast | Actor | Snerzco Employee (voice) | 1 |
 Brad Abrell | Cast | Actor | Passerby 3 (voice) | 1 |
Chris Diamantopoulos | Cast | Actor | Bean Counter (voice) | 1 |
 David Kaye | Cast | Actor | Joaquin Furmano / Smoothie Salesman / Cabbie Left (voice) | 1 |
 David Pressman | Cast | Actor | Stockholder 2 (voice) | 1 |
 Dee Bradley Baker | Cast | Actor | Chickeraffe (voice) | 13 |
 Diane Keaton | Cast | Actress | Michellee (voice) | 23 |
 Eddie Izzard | Cast | Snerz (voice) | 13 | |
 Fred Tatasciore | Cast | Actor | Boss (voice) | 1 |
 Grey DeLisle | Cast | Actress | Z Magazine Reporter (voice) | 1 |
 Herbert Siguenza | Cast | Actor | Guard 2 / Guard 3 / Guard 5 (voice) | 1 |
 Hynden Walch | Cast | Actress | Diabolical Shackle (voice) | 1 |
 James Marsden | Cast | Actor | Bo (voice) | 1 |
 Jeannie Elias | Cast | Actress | Proprietress (voice) | 1 |
 Jeff Bennett | Cast | Actor | Tinytopian 1 / Patrol Zook (voice) | 1 |
 Jeffrey Wright | Cast | Actor | McWinkle (voice) | 13 |
 Jill Talley | Cast | Actress | Stockholder 3 (voice) | 1 |
 Joe Hanna | Cast | Actor | Chef (voice) | 1 |
 John Turturro | Cast | Actor | Goat (voice) | 6 |
 José Andrés Puerta | Cast | Actor | Sylvester (voice) | 2 |
 Kevin Michael Richardson | Cast | Actor | Gobo / Robababobrian (voice) | 1 |
 Lombardo Boyar | Cast | Actor | Yook Guard / Guard 1 / Guard 4 (voice) | 1 |
 Michael Douglas | Cast | Actor | Guy-Am-I (voice) | 23 |
 Nika Futterman | Cast | Actress | Happy Kid (voice) | 1 |
 Nora Zehetner | Cast | Actress | Clerk (voice) | 1 |
 Patricia Clarkson | Cast | Actress | Pam-I-Am (voice) | 10 |
 Rita Moreno | Cast | Actress | Dookess (voice) | 7 |
 Rob Brydon | Cast | Actor | Philip Trousers / Snalfred (voice) | 2 |
 Rob Paulsen | Cast | Actor | Little Snerz (voice) | 1 |
 Stephanie Courtney | Cast | Actress | TSA Agent (voice) | 1 |
 Stephen Tobolowsky | Cast | Actor | Chad (voice) | 1 |
 Tracy Morgan | Cast | Actor | Fox (voice) | 2 |
 Darren Criss | Cast | Actor | Looka (voice) | 6 |
 Gloria Calderón Kellett | Cast | Actress | Smooth Female Voice (voice) | 1 |
 Kari Wahlgren | Cast | Actress | Kid Ant (voice) | 1 |
 Keegan-Michael Key | Cast | Actor | Narrator (voice) | 23 |
 Keith Ferguson | Cast | Actor | Confused Employee (voice) | 1 |
 Adam Devine | Cast | Actor | Sam-I-Am (voice) | 23 |
 Billy Eichner | Cast | Actor | Bigman (voice) | 1 |
 Jillian Bell | Cast | Actress | Gluntz / Hayzel (voice) | 23 |
 Marques Ray | Cast | Actor | Guy Watcher (voice) | 3 |
 Daveed Diggs | Cast | Actor | Mouse (voice) | 1 |
Gwendoline Christie | Cast | Actress | Marilyn Blouse (voice) | 3 |
 Ilana Glazer | Cast | Eb (voice) | 23 | |
| Person | Type | Job | Role(s) | Episodes |
