Who Plays Theo in 'YOU' Season 3? 5 Facts About Actor Dylan Arnold

YOU is back with a gripping third season full of nail-biting twists and turns, which will have you on the edge of your seat.

In Season 3, Love (played by Victoria Pedretti) and Joe (Penn Badgley) have moved to the fictional suburb of Madre Linda in LA with their newborn son Henry in a bid to start their life over and move away from their murderous past.

With a new town, comes new faces and their neighbor Theo, a reckless college student who instantly caught Love's eye and almost her heart. Theo is played by American actor Dylan Arnold, with YOU being his biggest acting role to date.

Newsweek has everything you need to know about the rising star.

5 Facts about Dylan Arnold

1. He starred in a Harry Styles fan-fiction movie

Dylan Arnold is well-known for portraying Noah in the romantic drama After, the Harry Styles-inspired fan-fiction movie.

He reprised the role of Noah in the sequel After We Collided in 2020.

In After and After We Collided, Arnold starred alongside Selma Blair, Josephine Langford, Pia Mia and Hero Fiennes Tiffin.

2. Dylan Arnold is older than Theo and his 'YOU' co-star

Dylan Arnold was born on February 11, 1994, in Seattle, Washington, making him 27-years-old.

In YOU, he plays the role of Theo, a struggling college student who blindly falls head-over-heels in love with Love Quinn-Goldberg, his neighbor.

Theo is significantly younger than Love, who is in her late 20s. Toward the end of the season, it's revealed he is 19-years-old. The age difference between Theo and Love, who is a married woman with a son, is mentioned throughout the third season.

Speaking to Newsweek, Love Quinn actress Victoria Pedretti described Theo and Love's relationship as "strange and interesting."

The age difference between actors Arnold and Pedretti isn't actually so big. In fact, Arnold is older than his co-star in real life.

Pedretti is 26 years old, celebrating her birthday on March 23.

3. He starred alongside Jamie Lee Curtis in the Halloween films

Dylan Arnold played the role of Cameron Elam in the American slasher film Halloween.

He reprised the role in the sequel, Halloween Kills, which premiered on the same day YOU Season 3 dropped on Netflix Friday, October 15.

4. Dylan Arnold has appeared on stage

In 2019, Dylan Arnold played the role of Justin in Good Boys and True at the Pasadena Playhouse in California.

The play was created by Riverdale's Roberto Aguirre-Sacasa and received praise from theater critics.

Arnold's performance, in particular, was praised by The Pasadena Star-News, which described his performance as "solid" and Deadline noted it as "resounding. "

5. Dylan Arnold is an actor and producer

Not only is Dylan Arnold a successful actor, but he is also a producer.

Arnold served as co-producer on the short film Sweet Nothing and also played the role of Michael.

YOU Season 3 is streaming on Netflix now.

Dylan Arnold plays Theo in YOU Season 3 JOHN P. FLEENOR/NETFLIX