Elenco (21)
Jay Baruchel
Hiccup (voice)
America Ferrera
Astrid (voice)
F. Murray Abraham
Grimmel (voice)
Cate Blanchett
Valka (voice)
Gerard Butler
Stoick (voice)
Craig Ferguson
Gobber (voice)
Jonah Hill
Snotlout (voice)
Christopher Mintz-Plasse
Fishlegs (voice)
Kristen Wiig
Ruffnut (voice)
Kit Harington
Eret (voice)
Justin Rupple
Tuffnut (voice)
Robin Atkin Downes
Ack (voice)
Kieron Elliott
Hoark (voice)
Julia Emelin
Griselda the Grevious (voice)
Gideon Emery
Trapper (voice)
Ashley Jensen
Phlegma (voice)
AJ Kane
Young Hiccup (voice)
Ólafur Darri Ólafsson
Ragnar the Rock (voice)
James Sie
Chaghatai Khan (voice)
David Tennant
Spitelout / Ivar the Whitless (voice)
Randy Thom
Toothless (voice)