Actor

Mason Thames

July 10, 2007 · Phoenix, Arizona, USA

Mason Thames (/θeɪmz/ THAYMZ; born July 10, 2007) is an American actor. He made his acting debut in 2017 and gained recognition for his performance as Finney Blake in the horror film The Black Phone (2021), a breakthrough role he reprised in its 2025 sequel. In 2025, he received increased attention for his portrayal of Hiccup in the live-action fantasy How to Train Your Dragon – for which he received a nomination for a Saturn Award – and for his romantic lead role in Regretting You.

Notable work

7.5
The Black Phone (2022)
as Finney
7.9
How to Train Your Dragon (2025)
as Hiccup
6.6
Black Phone 2 (2025)
as Finn
7.7
For All Mankind (2019)
as Daniel Stevens
7.1
Regretting You (2025)
as Miller Adams
7.1
Walker (2021)
as Young Walker
6.3
Incoming (2024)
as Benj Nielsen

Often works with

Madeleine McGraw
2 titles together
The Black Phone, Black Phone 2
Ethan Hawke
2 titles together
The Black Phone, Black Phone 2
Jeremy Davies
2 titles together
The Black Phone, Black Phone 2
Miguel Mora
2 titles together
The Black Phone, Black Phone 2
James Ransone
2 titles together
The Black Phone, Black Phone 2
Spencer Fitzgerald
2 titles together
The Black Phone, Monster Summer

Full filmography · 13

Caine
cast
Upcoming
How to Train Your Dragon 2
as Hiccup
2027
Idiots
as Sheridan
2026
Nimrods
as Tommy
2026
Regretting You
as Miller Adams
20257.1
Black Phone 2
as Finn
20256.6
How to Train Your Dragon
as Hiccup
20257.9
Monster Summer
as Noah Reed
20246.3
Incoming
as Benj Nielsen
20246.3
The Black Phone
as Finney
20227.5
After Omelas
as Liam
2017