All Cast
Mason Thames
Hiccup Horrendous Haddock III
Nico Parker
Astrid Hofferson
Gerard Butler
Stoick the Vast
Nick Frost
Gobber the Belch
Julian Dennison
Fishlegs Ingerman
Gabriel Howell
Snoutlout Jorgenson
Bronwyn James
Ruffnut Thorston
Harry Trevaldwyn
Tuffnut Thorston
Ruth Codd
Phlegma
Peter Serafinowicz
