If you’ve found yourself wondering who Hero Fiennes Tiffin is, you’re not alone.
The British actor and model has become one of the most searched young stars of the past few years, thanks to the breakout After film franchise, a famous family name and a carefully private personal life.
Most recently, the trailer for Hero‘s next project, Young Sherlock, sent the internet into meltdown.
Here’s your essential explainer on the actor everyone’s talking about.

He has a very impressive family tree
Hero Fiennes Tiffin comes from one of Britain’s most established creative families.
He’s the nephew of actors Ralph Fiennes and Joseph Fiennes, and the son of filmmaker George Tiffin and writer Martha Fiennes.
His surname alone carries serious cinematic weight, linking him to decades of acclaimed film and theatre work.

What movies has he been in?
Hero is best known for starring as Hardin Scott in the hugely popular After film franchise.
The franchise includes After, After We Collided, After We Fell, After Ever Happy and After Everything.

Before that, he appeared as a young Tom Riddle in Harry Potter and the Half-Blood Prince.
More recently, he’s expanded his résumé with roles in romantic dramas such as Picture This with Simone Ashley.
He’s also slated to appear as Sherlock Holmes in the highly anticipated 2026 Young Sherlock television series. His uncle, Joseph, will also star in the series as Sherlock’s father, Silas Holmes.

How old is Hero Fiennes Tiffin?
Hero Fiennes Tiffin was born in 1997, meaning he is 28 years old.

Is Hero Fiennes Tiffin single?
As of writing, Hero is single and is famously private about his personal life.
While he has been linked to co-stars like Josephine Langford and Simone Ashley over the years, he has not publicly confirmed a long-term relationship.
In a 2019 interview with Elle, he said, “Interestingly enough, I’ve never had, like, a proper relationship. I haven’t had a girl I would call my girlfriend.”