小嗝嗝（梅森·泰晤士 Mason Thames 饰 ）偶然间遭遇传说中的夜煞没牙仔，并由此与之建立深厚友谊，进而打破两大族群间的隔阂，携手寻求和平。
Mason Thames
Hiccup
Nico Parker
Astrid
Gerard Butler
Stoick
Nick Frost
Gobber
Gabriel Howell
Snotlout
Julian Dennison
Fishlegs
Bronwyn James
Ruffnut
Harry Trevaldwyn
Tuffnut
Murray McArthur
Hoark
Peter Serafinowicz
Spitelout
Naomi Wirthner
Gothi
Ruth Codd
Phlegma
Andrea Ware
Burnheart
Anna Leong Brophy
Retcha
