 | Jay Baruchel als Hiccup (voice) |
 | Craig Ferguson als Gobber (voice) |
 | America Ferrera als Astrid (voice) |
 | Christopher Mintz-Plasse als Fishlegs (voice) |
 | Jim Cummings als Bork (voice) |
 | Tress MacNeille als Bork's Wife (voice) |
| Steve Hickner | Writer |
| Steve Hickner | Director |
| Bart Coughlin | Writer |
| Simon Otto | Animation |
| Kathy Altieri | Art Direction |
| Lisa J. Freberg | Producer |
| Ian Richter | Producer |
| Joshua Pruett | Writer |
| Christopher Knights | Editor |
| Bonnie Arnold | Executive Producer |
| Al Nelson | Sound Designer |
| Jonathan Null | Supervising Sound Editor |
| John Powell | Original Music Composer |
| David Buckley | Original Music Composer |
| Cressida Cowell | Book |
