Hiccup (voice)
Jay Baruchel
Astrid (voice)
America Ferrera
Tuffnut (voice)
Justin Rupple
Ack (voice)
Robin Atkin Downes
Hoark (voice)
Kieron Elliott
Griselda the Grevious (voice)
Julia Emelin
Trapper (voice)
Gideon Emery
Phlegma (voice)
Ashley Jensen
Young Hiccup (voice)
AJ Kane
Ragnar the Rock (voice)
Ólafur Darri Ólafsson
Chaghatai Khan (voice)
James Sie
Spitelout / Ivar the Whitless (voice)
David Tennant
Grimmel (voice)
F. Murray Abraham
Valka (voice)
Cate Blanchett
Stoick the Vast (voice)
Gerard Butler
Gobber (voice)
Craig Ferguson
Snotlout (voice)
Jonah Hill
Fishlegs (voice)
Christopher Mintz-Plasse
Ruffnut (voice)
Kristen Wiig
Eret (voice)
Kit Harington
Additional Music
Batu Sener
Assistant Editor
Brit DeLillo
Producer
Brad Lewis
Character Designer
Carter Goodrich
Original Music Composer
John Powell
Supervising Sound Editor
Randy Thom
Sound Designer
Director
Dean DeBlois
Screenplay
Executive Producer
Story
Sound Re-Recording Mixer
Gary Rizzo
John Powers Middleton
Storyboard Artist
Stephanie Ma Stine
Brian Chumney
Book
Cressida Cowell
Animation
Simon Otto
Co-Producer
Roy Lee
Bonnie Arnold
Chris Sanders
Kate Spencer
Nelson Yokota
Andrew Harkins
Associate Editor
Natalia Cronembold
Visual Effects
Hongseo Park
Doug Davison
Leo Sanchez Barbosa
Production Coordinator
Tucker Scott Alleborn
Willem Drees
Colleen O'Hagan
Visual Effects Supervisor
Dave Walvoord
Post Production Assistant
Chris Hewitt
Christina N. de Juan
Supervising Technical Director
Jennifer J. Pan
Production Manager
Brent Hutchins
Sound
Tighe Sheldon
Megha Davalath
Michael A. Connolly
Scott R. Lewis
Editor
John K. Carr
Production Design
Pierre-Olivier Vincent
Director of Photography
Gil Zimmerman
Jed Schlanger
Production Supervisor
Tyler Shelton
Jessica Bayliss
Allison Bernardi Stauth
Mary Melendez
Peter Litvack
Henri Hovhanesyan
Story Artist
Chris Palmer
Pipeline Technical Director
Lisa Curtis Saunders