The cast of the 2025 live-action film "How to Train Your Dragon" includes:
- Mason Thames as Hiccup Horrendous Haddock III, the awkward 16-year-old son of Stoick the Vast
- Nico Parker as Astrid Hofferson, Hiccup's love interest and fellow dragon-fighting trainee
- Gerard Butler as Stoick the Vast, Berk's chieftain and Hiccup's father (reprising his role from the animated films)
- Nick Frost as Gobber the Belch, Berk's blacksmith and advisor, and teacher of dragon-fighting recruits
- Gabriel Howell as Snotlout Jorgenson, Hiccup's rival in dragon-fighting training
- Julian Dennison as Fishlegs Ingerman, dragon-fighting student obsessed with dragon statistics
- Bronwyn James as Ruffnut Thorston, dragon-fighting student and Tuffnut's twin sister
- Harry Trevaldwyn as Tuffnut Thorston, dragon-fighting student and Ruffnut's twin brother
- Peter Serafinowicz as Spitelout Jorgenson, Snotlout's father and Stoick's second-in-command
- Ruth Codd as Phlegma the Fierce, a member of the Viking village
- Naomi Wirthner as Gothi, the village elder
- Murray McArthur as Hoark, a Viking village member
- Andrea Ware as Burnheart, a Viking village member
- Anna Leong Brophy as Retcha, a Viking village member
- Marcus Onilude as Snorti, a Viking village member
- Peter Selwood as Drül, a Viking village member
- Daniel-John Williams as Fungi, a Viking village member
- Kate Kennedy as Flatula, a Viking village member
- Selina Jones as Loogi, a Viking village member
- Nick Cornwall as Hürl, a Viking village member
- Samuel Johnson as Skaldor, a Viking village member
This live-action film is a remake of the original 2010 animated film and features new actors for most characters, except Gerard Butler who reprises his role as Stoick the Vast from the animated series.
