Mason Thames

Mason Thames (/θeɪmz/,^[2] born July 10, 2007) is an American actor. He played the lead role in the 2021 horror film The Black Phone,^[3] and the 2025 film How to Train Your Dragon.^[4]

Mason Thames
Born	(2007-07-10) July 10, 2007 (age 18)[1] Dallas, Texas, U.S.
Occupation	Actor
Years active	2017–present

Life and career

Thames is from Dallas, Texas. He made his acting debut in 2017, in the short film After Omelas as Liam.^[5] He was featured in three episodes of the first season of the Apple TV+ series For All Mankind in 2019.^[6]

Thames played the lead role in Scott Derrickson's horror film The Black Phone (2021),^[7] alongside Ethan Hawke.^[8][9] The role garnered him widespread acclaim, and the film received generally positive reviews from critics.^[10]

On casting Thames over hundreds of other applicants, Derrickson stated that "he has a gift that very few actors, even adult professional actors, have, which is the ability to truthfully and emotionally process every moment, one shot at a time, without overacting. It’s in his eyes and in his countenance, and his ability to do that in an honest, real way is something you can’t teach."^[11]

He is set to reprise his role in the sequel.^[12] He also featured as a younger version of Cordell Walker in the first two seasons of Walker.^[13][14] He starred in the comedy film Incoming (2024).^[15]

Thames starred alongside Mel Gibson in David Henrie's independent film, Monster Summer.^[16] He also starred as Hiccup Horrendous Haddock III in the 2025 live-action remake of How to Train Your Dragon (2010).^[4] He is expected to return to its sequel set to release in 2027.^[17][18]

In the summer of 2025, Thames joined the cast of comedy movies New Years Rev and Shitheads.^[19][20]

Filmography

Film

Key

†	Denotes film or TV productions that have not yet been released

Year	Title	Role	Notes	Ref.
2017	After Omelas	Liam	Short	[5]
2021	The Black Phone	Finney Blake		[21]
2024	Incoming	Benj Nielsen		[22][23]
	Monster Summer	Noah Reed		[16]
2025	How to Train Your Dragon	Hiccup Horrendous Haddock III		[24]
	Black Phone 2 †	Finney Blake	Post-production	[25]
	Regretting You †	Miller Adams	Post-production	[26]
TBA	New Years Rev †	TBA	Post-production	[19][27]

Television

Year	Title	Role	Notes	Ref.
2019	For All Mankind	Daniel Stevens	3 episodes	[28]
2020	Evel	Robbie	1 episode	[5]
2021–2022	Walker	Young Cordell Walker	3 episodes	[29]