Fan Casting Mason Thames as Hiccup Horrendous Haddock III in How to Train Your Dragon (2025)

zuko_halliwell made this fan casting suggestion on June 23, 2023. What do you think? See below to cast your vote, or click here to see all fan casting suggestions for this role.

Mason Thames as Hiccup Horrendous Haddock III in How to Train Your Dragon (2025)

Mason Thames

16 years old

At just 15 years old, Mason Thames is already establishing himself as a sought-after young talent. He can currently be seen in the Universal feature, THE BLACK PHONE, starring alongside four-time O...

See Profile

Loading another FastCast...

Hiccup Horrendous Haddock III in How to Train Your Dragon (2025)

Fan Casting

Mason Thames

as

Hiccup Horrendous Haddock III

in

How to Train Your Dragon (2025)

Do you agree?

Vote Yes Vote No

How to Train Your Dragon (2025)

How to Train Your Dragon (2025)

Live Action

by Universal Pictures & DreamWorks Animation

A Live Action adaptation from How to Train Your Dragon (2010)

See Story

Has this person been officially cast for this role? Click here.

Fan casting suggestion made by:

Join the Conversation

0 comments on Mason Thames as Hiccup Horrendous Haddock III in How to Train Your Dragon (2025)

Mason Thames is known for his roles in Boys of Summer and The Black Phone. He has been suggested by fans for 664 roles on myCast, including Spider-Man (2030s) in Actors who could play Spider-Man in different decades. Similar actors include Asher Angel, Jacob Tremblay, and Jaeden Martell. Mason Thames was suggested to play Hiccup Horrendous Haddock III in How to Train Your Dragon (2025) by zuko_halliwell. How to Train Your Dragon (2025) has 22 roles, including Astrid Hofferson, Gobber, and Tuffnut Thorston.

Supporters (8)

Opposers (0)

Nobody opposes this suggestion yet.

Newest Stories

Ready to move onto another story? Here are a few more to browse. Assemble your dream cast!

See More