Jay Baruchel

Hiccup (voice)

Mason Thames

Hiccup

Gerard Butler

Stoick (voice) · Stoick

Nico Parker

Astrid

Craig Ferguson

Gobber (voice)

America Ferrera

Astrid (voice)

Nick Frost

Gobber

Gabriel Howell

Snotlout

Jonah Hill

Snotlout (voice)

Christopher Mintz-Plasse

Fishlegs (voice)

Julian Dennison

Fishlegs

Bronwyn James

Ruffnut

T.J. Miller

Tuffnut (voice)

Harry Trevaldwyn

Tuffnut

Kristen Wiig

Ruffnut (voice)

Murray McArthur

Hoark

Robin Atkin Downes

Ack (voice)

Peter Serafinowicz

Spitelout

Philip McGrade

Starkard (voice)

Kieron Elliott

Hoark the Haggard (voice)

Naomi Wirthner

Gothi

Ashley Jensen

Phlegma the Fierce (Voice)

Ruth Codd

Phlegma

Andrea Ware

Burnheart

David Tennant

Spitelout (voice)

Anna Leong Brophy

Retcha

Randy Thom

Toothless (voice) (uncredited)

Marcus Onilude

Snorti

Pete Selwood

Drül

Daniel-John Williams

Fungi

Kate Kennedy

Flatula

Selina Jones

Loogi

Nick Cornwall

Hürl

Nigel Shinnors

Viking (uncredited)

Dean DeBlois

Viking (uncredited)