Jay Baruchel

Character: Hiccup (voice)

America Ferrera

Character: Astrid (voice)

F. Murray Abraham

Character: Grimmel (voice)

Cate Blanchett

Character: Valka (voice)

Gerard Butler

Character: Stoick (voice)

Craig Ferguson

Character: Gobber (voice)

Jonah Hill

Character: Snotlout (voice)

Christopher Mintz-Plasse

Character: Fishlegs (voice)

Kristen Wiig

Character: Ruffnut (voice)

Kit Harington

Character: Eret (voice)

Justin Rupple

Character: Tuffnut (voice)

Robin Atkin Downes

Character: Ack (voice)

Kieron Elliott

Character: Hoark (voice)

Julia Emelin

Character: Griselda the Grevious (voice)

Gideon Emery

Character: Trapper (voice)

Ashley Jensen

Character: Phlegma (voice)

AJ Kane

Character: Young Hiccup (voice)

Ólafur Darri Ólafsson

Character: Ragnar the Rock (voice)

James Sie

Character: Chaghatai Khan (voice)

David Tennant

Character: Spitelout / Ivar the Whitless (voice)

Randy Thom

Character: Toothless (voice)