• 
  T.J. Sullivan

  regizor
• 
  Greg Rankin

  regizor
• 
  Elaine Bogan

  regizor

• 
  Jay Baruchel

  Hiccup
• 
  America Ferrera

  Astrid
• 
  David Faustino

  Dagur
• 
  Christopher Mintz-Plasse

  Fishlegs
• 
  T.J. Miller

  Tuffnut

• 
  Andree Vermeulen

  Ruffnut
• 
  Zack Pearlman

  Snotlout
• 
  Thomas F. Wilson
• 
  Tom Kenny
• 
  Nolan North
• 
  Lucas Grabeel
• 
  Mae Whitman

• 
  JB Blanc
• 
  Alfred Molina
• 
  Angela Bartys
• 
  Chris Edgerly
• 
  David Tennant
• 
  Paul Rugg
• 
  Djimon Hounsou

  Drago
• 
  Kelly Stables

  voci adiționale (voce)
• 
  Alastair Duncan
• 
  Steve Alterman

  34 episodes, 2016-2018
• 
  Mitch Carter

  Additional Voices
• 
  Michael Goldstrom

  Trader Johann
• 
  Hakeem Kae-Kazim

  Krogan
• 
  James Arnold Taylor

  Throk
• 
  Paula J. Newman

  Additional Voices