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