キャスト (9)
Mason Thames
Hiccup
Nico Parker
Astrid
Cate Blanchett
Valka
Gerard Butler
Stoick
Julian Dennison
Fishlegs
Gabriel Howell
Snotlout
Bronwyn James
Ruffnut
Harry Trevaldwyn
Tuffnut
Ólafur Darri Ólafsson
Drago