| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Rick Siggelkow | Crew | Creator | Creator | |
 Alyson Court | Cast | Actress | Island Princess (voice) | 75 |
 Betty White | Cast | Actress | Annabelle | 1 |
 Carol Kane | Cast | Actress | The Tooth Fairy | 1 |
 Catherine Disher | Cast | Actress | Noddy (voice) | 1 |
 Dan Redican | Cast | Actor | Carl Spiffy | 75 |
Frank Meschkuleit | Cast | Warloworth Q. Weasel / Gaylord Gumball (voice) | 75 | |
 Gerard Parkes | Cast | Actor | Wally the Wanderer | 1 |
 Gerry Quigley | Cast | Actor | Davy Gladhand | 75 |
Gil Filar | Cast | Boobull | 75 | |
 Gilbert Gottfried | Cast | Actor | Jack Frost | 1 |
 Gina Sorell | Cast | Actress | 1 | |
 Harry Anderson | Cast | Actor | Jack Fable | 1 |
 James Rankin | Cast | Johnny Crawfish / Sherman / Planet Pup (voice) | 75 | |
 Jayne Eastwood | Cast | Actress | Aunt Agatha | 75 |
 Karen Bernstein | Cast | Tessie Bear (voice) | 1 | |
 Katie Boland | Cast | Actress | Kate Tomten | 75 |
 Lauren Collins | Cast | Actress | 2 | |
 Marc Donato | Cast | Actor | Dewey Lester | 1 |
 Max Morrow | Cast | Actor | Truman Tomten | 75 |
 Michael Cera | Cast | Actor | Butch | 1 |
 Neil Crone | Cast | Actor | Bud Topper | 75 |
 Sean McCann | Cast | Actor | Noah Tomten | 75 |
Noreen Young | Cast | Granny Duck (voice) | 75 | |
 Taborah Johnson | Cast | Hilda Sweetly / Gertie Gator (voice) | 75 | |
 Kyle Kass | Cast | Actor | Daniel "D.J." Johnson | 75 |
| Person | Type | Job | Role(s) | Episodes |
