| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Adam Henry | Crew | Writing | Storyboard | 20 |
Anthony Bell | Crew | Directing | Director | 17 |
 Art Brown | Crew | Writing | Writer | 3 |
 Chris Sanders | Crew | Creator | Creator | |
 Douglas Sloan | Crew | Production | Producer, Writer | 40 |
 John Sanford | Crew | Directing | Director | 20 |
Michael Rose | Crew | Art | Production Design | 2 |
Sandra Rabins | Crew | Production | Executive Producer | 40 |
David Lee | Crew | Art | Art Department Manager | 20 |
 Joe Sichta | Crew | Directing | Director | 20 |
Mick De Falco | Crew | Directing | Layout | 20 |
 Elaine Bogan | Crew | Directing | Director | 1 |
Jim Cooper | Crew | Writing | Writer | 1 |
 Kendra Vander Vliet | Crew | Directing | Layout | 1 |
John Eng | Crew | Directing | Director | 20 |
Linda Teverbaugh | Crew | Writing | Writer | 3 |
 America Ferrera | Cast | Actress | Astrid (voice) | 42 |
 Bridget Hoffman | Cast | Actress | Female Viking (voice) | 1 |
 Chris Edgerly | Cast | Actor | Gobber (voice) | 31 |
 Craig Ferguson | Cast | Actor | Gobber (voice) | 4 |
 David Faustino | Cast | Actor | Dagur (voice) | 8 |
 David Tennant | Cast | Actor | Spitelout (voice) | 2 |
 Gerard Butler | Cast | Actor | Stoick the Vast (voice) | 2 |
 Ian Ruskin | Cast | Actor | Misc Viking 3 (voice) | 1 |
 Jay Baruchel | Cast | Actor | Hiccup Horrendous Haddock III (voice) | 44 |
 Jim Cummings | Cast | Actor | Bork (voice) | 1 |
Julian Barnes | Cast | Actor | Misc Viking 4 (voice) | 1 |
 Mae Whitman | Cast | Actress | Heather (voice) | 2 |
 Mark Hamill | Cast | Actor | Alvin (voice) | 12 |
 Neil Dickson | Cast | Actor | Misc Viking 2 (voice) | 1 |
 Nolan North | Cast | Actor | Stoick the Vast (voice) | 33 |
 Paul Rugg | Cast | Actor | Savage (voice) | 13 |
 Peter Lavin | Cast | Misc Viking 1 (voice) | 1 | |
 Stephen Root | Cast | Actor | Mildew (voice) | 16 |
 Thomas F. Wilson | Cast | Actor | Bucket (voice) | 15 |
 Tim Conway | Cast | Actor | Mulch (voice) | 15 |
 Tress MacNeille | Cast | Actress | Bork's Wife (voice) | 1 |
 Jonah Hill | Cast | Actor | Snotlout (voice) | 2 |
 Kristen Wiig | Cast | Actress | Ruffnut (voice) | 2 |
 Lucas Grabeel | Cast | Actor | Gustav (voice) | 4 |
 Michael Goldstrom | Cast | Actor | Trader Johann (voice) | 6 |
 Christopher Mintz-Plasse | Cast | Actor | Fishlegs (voice) | 44 |
 T.J. Miller | Cast | Actor | Tuffnut (voice) | 42 |
 Andree Vermeulen | Cast | Actress | Ruffnut (voice) | 20 |
 Zack Pearlman | Cast | Actor | Snotlout (voice) | 39 |
 Julie Marcus | Cast | Actress | Ruffnut (voice) | 19 |
 Brook Chalmers | Cast | Actor | Berkian Man (voice) | 1 |
| Person | Type | Job | Role(s) | Episodes |
