Jay Baruchel as Hiccup (voice)

Cate Blanchett as Valka (voice)

Gerard Butler as Stoick (voice)

Craig Ferguson as Gobber (voice)

America Ferrera as Astrid (voice)

Jonah Hill as Snotlout (voice)

Christopher Mintz-Plasse as Fishlegs (voice)

T.J. Miller as Tuffnut (voice)

Kristen Wiig as Ruffnut (voice)

Djimon Hounsou as Drago (voice)

Kit Harington as Eret (voice)

Kieron Elliott as Hoark the Haggard (voice)

Philip McGrade as Starkard (voice)

Andrew Ableson as Ug (voice)

Gideon Emery as Teeny (voice)

Simon Kassianides as No-Name (voice)

Randy Thom as Toothless (voice)