Thomas Mitchell Barnet: Locke & Key, Age, Wife, Family, Movies and Net Worth
Thomas Mitchell Barnet – Biography & Wiki
Thomas Mitchell Barnet is a talented Canadian actor, playwright, and songwriter known for his versatile work across theatre, television, and film. He currently stars as Sam Lesser in the Netflix supernatural series Locke & Key, where he portrays a tormented teen manipulated by dark forces.
A passionate theatre performer, Barnet’s stage credits include roles in Treasure Island, Romeo and Juliet, and Shakespeare in Love at Canada’s prestigious Stratford Festival, where he also trained at the Birmingham Conservatory for Classical Theatre. His standout performance in True Love Lies at the Citadel Theatre earned him a nomination for excellence.
On screen, his TV appearances include roles in Saving Hope, Murdoch Mysteries, Wayne, and In the Dark. He also appears in the political drama film Run This Town alongside Nina Dobrev, Damien Lewis, and Mena Massoud.
Age and Birthday
How old is Thomas Mitchell Barnet?
Thomas was born on April 3, 2000, in Edmonton, Alberta, Canada, making him 25 years old as of 2025. He celebrates his birthday every year on April 3rd.
Education
Barnet is a graduate of Strathcona High School in Edmonton. He later studied classical theatre at the University of Alberta and completed further training at the Birmingham Conservatory for Classical Theatre in Stratford, Ontario, sharpening his skills for both stage and screen.
Thomas Mitchell Barnet Family and Background
Thomas was raised in Edmonton by professional drama teachers, which provided a strong foundation for his early interest in acting. While details about his parents and any siblings remain private, it’s clear that theatre was a part of his life from an early age.
Thomas Mitchell Barnet Wife | dating
Is Thomas Mitchell Barnet dating? As of now, Barnet keeps his personal life under wraps. He has not publicly shared any information about a girlfriend or romantic partner.
Is Thomas Mitchell Barnet Gay?
Thomas Mitchell Barnet has not publicly discussed his sexual orientation, and there are no confirmed reports or statements regarding his relationship preferences. As a public figure, Barnet appears to be private about his personal life, including his dating history.
Height
Thomas stands at approximately 5 feet 8 inches (1.72 meters) tall. Other personal stats remain private at this time.
Thomas Mitchell Barnet – Locke & Key and More
Barnet gained widespread recognition for his role as Sam Lesser in Netflix’s Locke & Key, a supernatural drama based on the comic book series by Joe Hill and Gabriel Rodríguez. The show follows siblings who discover magical keys in their ancestral home—keys that unlock powers, secrets, and sinister threats. Sam, a vulnerable and troubled teen, is manipulated by the demonic antagonist, Dodge, making Barnet’s portrayal both intense and tragic.
In addition to Locke & Key, Barnet has made appearances in several Canadian TV favorites:
Saving Hope – a medical drama with supernatural elements
Murdoch Mysteries – a period detective series set in early 20th-century Toronto
Wayne – a gritty, comedic drama about a teenage anti-hero
He also starred in the feature film Run This Town, which dramatizes political scandal through the eyes of young journalists and city staffers, and was featured in Until the Real Thing Comes Along (2020), a film exploring identity, connection, and modern relationships.
Barnet is represented by The Talent House.
Thomas Mitchell Barnet – Harry Potter
As of 2025, Thomas Mitchell Barnet has not appeared in any Harry Potter films or related franchise projects, such as Fantastic Beasts or stage adaptations like The Cursed Child. However, due to his youthful looks and theatre background, fans have occasionally speculated about his potential fit for a role in the Wizarding World.
While there’s no official connection to Harry Potter, Barnet’s classical training and on-screen presence could make him a good candidate for future fantasy roles if Warner Bros. continues expanding the franchise.
Thomas Mitchell Barnet – Movies and TV Shows
Thomas Mitchell Barnet has built an impressive portfolio of work in both film and television, showcasing his versatility across genres. He began gaining attention with appearances in Canadian television staples such as:
Saving Hope (2012–2017) – A medical drama with a supernatural twist, where he made a guest appearance.
Murdoch Mysteries – A long-running period crime drama set in early 20th-century Toronto.
Wayne (2019) – A gritty action-comedy series where Barnet had a recurring role.
In the Dark – A crime drama following a blind woman unraveling the truth behind her friend’s death.
Locke & Key (2020–2022) – His breakout role as Sam Lesser on Netflix’s hit fantasy horror series.
Run This Town (2019) – A political thriller film alongside Nina Dobrev and Mena Massoud.
Until the Real Thing Comes Along (2020) – A drama exploring identity and urban life through interwoven female perspectives.
His stage credits include critically acclaimed productions at the Stratford Festival, such as Romeo and Juliet, Treasure Island, and Shakespeare in Love.
Net Worth
As of 2025, Thomas Mitchell Barnet is estimated to have a net worth between $800,000 and $900,000, earned through his successful acting career in television, film, and theatre.