 | Sonja Ball als Mother Sheriff, Queen Guld (voice) |
 | Wyatt Bowen als Jan (voice) |
 | Mark Camacho als Grimmer's Dad, Limping Lars (voice) |
 | Richard Dumont als King Grom (voice) |
 | Elana Dunkelman als Trianna 2 (voice) |
 | Angela Galuppo als Freia (voice) |
 | Stefan Gauthier als Lucas (voice) |
 | Rick Jones als Halfstone / Jin / Mort (voice) |
| Adam Nethercott als Trym (voice) |
| Terrence Scammell als Grimmer (voice) |
| Shane P. Zhang als Grandfather Huang (voice) |
| Kevin Munroe | Director |
| Kristian Kamp | Co-Director |
| Kristian Kamp | Producer |
| Claudio Castravelli | Producer |
| Suzanne Bolch | Writer |
| Johnny Carlsen | Writer |
| Paul Gerstenberger | Writer |
| Kristian Kamp | Writer |
| Jørn Kolsrud | Writer |
| John May | Writer |
| Kevin Munroe | Writer |
| Jonny Westernes | Writer |
| Daxing Zhang | Writer |
| Pete Dodd | Additional Writing |
| Pete Dodd | Creative Consultant |
| Pete Dodd | Development Producer |
| Pete Dodd | Character Designer |
