Hiccup

Jay Baruchel

Hiccup

Sapol Assawamunkong

Astrid

Thikamporn Ritta-apinan

Stoick (voice)

Gerard Butler

Astrid

America Ferrera

Grimmel

F. Murray Abraham

Snotlout Jorgenson

Jonah Hill

Valka

Cate Blanchett

Fishlegs (voice)

Christopher Mintz-Plasse

Gobber

Craig Ferguson

Ruffnut (voice)

Kristen Wiig

Tuffnut

T.J. Miller

Eret

Kit Harington

Tuffnut

Justin Rupple

Ack

Robin Atkin Downes

Hoark

Kieron Elliott

Griselda the Grevious

Julia Emelin

Trapper

Gideon Emery

Phlegma

Ashley Jensen

Young Hiccup

AJ Kane

Chaghatai Khan (voice)

James Sie

Ragnar the Rock

Ólafur Darri Ólafsson

Spitelout/Ivar the Witless/Toothless/Lightfury

David Tennant

Özlem Saglanmak

Toothless (voice)

Randy Thom

Sasia Mølgaard

Alex Høgh Andersen

Niels Olsen

Natalie Madueño

Peter Aude

Mads M. Nielsen

Kasper Leisner

Niclas Mortensen

Trine Gadeberg

Kenneth M. Christensen

Stine Stengade

Emilia Schüle

Martina Hill

Hannes Maurer

Thomas Nero Wolff

Dominic Raacke

Jesper Adefelt

Fredrik Hiller

Johan Hedenberg

Björn Bengtsson

Susanne Barklund

Alexander Rybak

Kjersti Sandal

Per Skjølsvik

Ida Elise Broch

Knut Joner

Benjamin Helstad

Jan Martin Johnsen

Johannes Joner

Helge Jordal