Jay Baruchel
Hiccup (voice)
Gerard Butler
Stoick (voice)
Craig Ferguson
Gobber (voice)
America Ferrera
Astrid (voice)
Jonah Hill
Snotlout (voice)
Christopher Mintz-Plasse
Fishlegs (voice)
T.J. Miller
Tuffnut (voice)
Kristen Wiig
Ruffnut (voice)
Robin Atkin Downes
Ack (voice)
Philip McGrade
Starkard (voice)
Kieron Elliott
Hoark the Haggard (voice)
Ashley Jensen
Phlegma the Fierce (Voice)
David Tennant
Spitelout (voice)
Randy Thom
Toothless (voice) (uncredited)