Cast Age Comparison
| Actor | Character | Actor Age | Char Age | Conf | Diff | Source/Hints | |
|---|---|---|---|---|---|---|---|
 |
Mason Thames | Hiccup | 17 | 16 | C3 | +1 | HTTYD Wiki: Hiccup is described as '16-year-old' in the 2025 live-action film, changed from 15 in the animated original • Wikipedia describes Hiccup as 'the awkward 16-year-old son of Stoick the Vast' |
 |
Nico Parker | Astrid | 20 | ~15 | C2 | +5 | HTTYD Wiki: Astrid is 15 in the original animated film. No explicit age stated for live-action version |
 |
Gerard Butler | Stoick | 55 | ~45 | C2 | +10 | HTTYD Wiki: Stoick is 45 in the original animated film. No explicit age stated for live-action version |
 |
Nick Frost | Gobber | 53 | ~50 | C2 | +3 | HTTYD Wiki: Gobber is 50 in the original animated film. No explicit age stated for live-action version |
 |
Gabriel Howell | Snotlout | 27 | ~15 | C2 | +12 | HTTYD Wiki: Snotlout is 15 in the original animated film. No explicit age stated for live-action version |
Actor Age
Actor’s real age when the production was filmed or released
Char Age
The character’s age as stated or implied in the story
Diff
Difference between actor age and character age (green = close, red = far apart)
Source/Hints
Where the character age was found or how it was inferred
Confidence Scale
C5
Canonical — age explicitly stated in the production
C4
Canonical — derived from dates or events in the story
C3
Strong secondary source (script, novelization, creator interview)
C2
Inferred range — estimated from context clues
C1
Unknown — no reliable age information found