Diretor/a
Dean DeBlois
DIRETOR/A
Chris Sanders
Elenco (na ordem dos créditos)
Jay Baruchel
Hiccupvoice
Gerard Butler
Stoickvoice
Craig Ferguson
Gobbervoice
America Ferrera
Astridvoice
Jonah Hill
Snotloutvoice
Christopher Mintz-Plasse
Fishlegsvoice
T.J. Miller
Tuffnutvoice
Kristen Wiig
Ruffnutvoice
Robin Atkin Downes
Ackvoice
Kieron Elliott
Hoark the Haggardvoice
Ashley Jensen
Phlegma the Fiercevoice
David Tennant
Spiteloutvoice
Philip McGrade
Starkardvoice