As Hiccup fulfills his dream of creating a peaceful dragon utopia, Toothless’ discovery of an untamed, elusive mate draws the Night Fury away. When danger mounts at home and Hiccup’s reign as village chief is tested, both dragon and rider must make impossible decisions to save their kind.
| Hiccup (voice) | Jay Baruchel |
| Astrid (voice) | America Ferrera |
| Grimmel (voice) | F. Murray Abraham |
| Valka (voice) | Cate Blanchett |
| Stoick (voice) | Gerard Butler |
| Gobber (voice) | Craig Ferguson |
| Snotlout (voice) | Jonah Hill |
| Fishlegs (voice) | Christopher Mintz-Plasse |
| Ruffnut (voice) | Kristen Wiig |
| Eret (voice) | Kit Harington |
| Tuffnut (voice) | Justin Rupple |
| Ack (voice) | Robin Atkin Downes |
| Hoark (voice) | Kieron Elliott |
| Griselda the Grevious (voice) | Julia Emelin |
| Trapper (voice) | Gideon Emery |
| Phlegma (voice) | Ashley Jensen |
| Young Hiccup (voice) | AJ Kane |
| Ragnar the Rock (voice) | Ólafur Darri Ólafsson |
| Chaghatai Khan (voice) | James Sie |
| Spitelout / Ivar the Whitless (voice) | David Tennant |
| Toothless (voice) | Randy Thom |
How to Train Your Dragon: The Hidden World on Wikipedia
How to Train Your Dragon: The Hidden World on IMDb