Mason Thames

as Hiccup

Nico Parker

as Astrid

Cate Blanchett

as Valka

Gerard Butler

as Stoick

Ólafur Darri Ólafsson

as Drago

Nick Frost

as Gobber

Phil Dunster

as Eret

Julian Dennison

as Fishlegs

Gabriel Howell

as Snotlout

Dean DeBlois

Director