Jay Baruchel
Hiccup Horrendous Haddock III (voice) (20 eps)
America Ferrera
Astrid (voice) (20 eps)
Christopher Mintz-Plasse
Fishlegs (voice) (20 eps)
Zack Pearlman
Snotlout (voice) (20 eps)
T.J. Miller
Tuffnut (voice) (20 eps)
Nolan North
Stoick the Vast (voice) (20 eps)
Julie Marcus
Ruffnut (voice) (20 eps)
Chris Edgerly
Gobber (voice) (18 eps)
Tim Conway
Mulch (voice) (14 eps)
Thomas F. Wilson
Bucket (voice) (14 eps)
Stephen Root
Mildew (voice) (12 eps)
Brook Chalmers
Berserker Herald (voice) (6 eps)
Mark Hamill
Alvin (voice) (6 eps)
Paul Rugg
Savage (voice) (5 eps)
Michael Goldstrom
Trader Johann (voice) (4 eps)
Mae Whitman
Heather (voice) (2 eps)
Lucas Grabeel
Gustav (voice) (1 eps)
David Faustino
Dagur (voice) (1 eps)
David Tennant
Spitelout (voice) (1 eps)