 | Jay Baruchel als Hiccup (voice) |
 | America Ferrera als Astrid (voice) |
 | Christopher Mintz-Plasse als Fishlegs (voice) |
 | T.J. Miller als Tuffnut (voice) |
 | Tim Conway als Mulch (voice) |
 | Chris Edgerly als Gobber (voice) |
 | Tom Kenny als Silent Sven (voice) |
 | Nolan North als Stoick (voice) |
 | Zack Pearlman als Snotlout (voice) |
 | Andree Vermeulen als Ruffnut (voice) |
| Elaine Bogan | Director |
| John Sanford | Director |
| Art Brown | Writer |
| Douglas Sloan | Writer |
| Cressida Cowell | Book |
| Art Brown | Executive Producer |
| Douglas Sloan | Executive Producer |
| Christi Soper Hilt | Casting Director |
| Chad Hammes | Producer |
| Lawrence Jonas | Production Manager |
| David Jones | Visual Effects Supervisor |
| Brook Chalmers | Production Supervisor |
| Nicholas Fumia | Production Supervisor |
| Brandon Tyra | Production Supervisor |
| John Laus | Editor |
| Peter Paul Bautista | Storyboard Artist |
| Robert Briggs | Storyboard Artist |
| Ken Mitchroney | Storyboard Artist |
| Nico Marlet | Character Designer |
| David Lee | Prop Designer |
| Alex Brennan | Modeling |
| John Paesano | Original Music Composer |
| Anthony Loomis | Music Editor |
| Jeff Rosen | Post Production Supervisor |
| Rick Hromadka | Sound Mixer |
| Carlos Sanches | Sound Mixer |
| Otis Van Osten | Sound Supervisor |
| Aran Tanchum | Foley Supervisor |
| Jason Oliver | Dialogue Editor |
| John Romeo | Production Accountant |
| Robert Duban | Production Accountant |
| Abe Brown | Production Coordinator |
| Kaleb Kern | Production Coordinator |
| Sara Zebrack | Casting Assistant |
