Season 1

Jay Baruchel

Hiccup Horrendous Haddock III (voice)

20 episodes

America Ferrera

Astrid (voice)

20 episodes

Christopher Mintz-Plasse

Fishlegs (voice)

20 episodes

Zack Pearlman

Snotlout (voice)

20 episodes

T.J. Miller

Tuffnut (voice)

20 episodes

Nolan North

Stoick the Vast (voice)

20 episodes

Julie Marcus

Ruffnut (voice), Ruffnut, Mrs. Larsen (voice)

20 episodes

Chris Edgerly

Gobber (voice)

18 episodes

Tim Conway

Mulch (voice)

14 episodes

Thomas F. Wilson

Bucket (voice)

14 episodes

Stephen Root

Mildew (voice)

12 episodes

Brook Chalmers

Sven (voice), Henchman (voice), Outcast Soldiers (voice), Berserker Herald (voice), Viking Farmer (voice), Outcast Guard (voice), Outcast Soldier (voice)

6 episodes

Mark Hamill

Alvin (voice)

6 episodes

Paul Rugg

Savage (voice)

5 episodes

Michael Goldstrom

Trader Johann (voice)

4 episodes

Mae Whitman

Heather (voice)

2 episodes

Lucas Grabeel

Gustav (voice)

1 episode

David Faustino

Dagur (voice)

1 episode

David Tennant

Spitelout (voice)

1 episode

Mick De Falco

Layout

20 episodes

Anthony Bell

Director

17 episodes

John Sanford

Director

8 episodes

John Eng

Director

6 episodes

Louie del Carmen

Director

5 episodes

Joe Sichta

Director

2 episodes

Kendra Vander Vliet

Layout

1 episode

Elaine Bogan

Director

1 episode

Art Brown

Writer

3 episodes

Douglas Sloan

Writer

3 episodes

Linda Teverbaugh

Writer

3 episodes

Mike Teverbaugh

Writer

3 episodes

Jim Cooper

Writer

1 episode

Sandra Rabins

Executive Producer

20 episodes

Douglas Sloan

Producer

20 episodes

Michael Rose

Production Design

2 episodes