Jay Baruchel

Hiccup Horrendous Haddock III (voice)

Gerard Butler

Stoick (voice)

Craig Ferguson

Gobber (voice)

America Ferrera

Astrid Hofferson (voice)

Jonah Hill

Snotlout Jorgenson (voice)

Christopher Mintz-Plasse

Fishlegs Ingerman (voice)

T.J. Miller

Tuffnut Thorston (voice)

Kristen Wiig

Ruffnut Thorston (voice)

John DiMaggio

Gobber's Father (voice)

Kevin Michael Richardson

Thor (voice)