He really rocketed to fame in 2017, and it’s no surprise why—his standout performances truly made an impact. One of the key roles that put him on the map was playing Ziggy Chapman in the acclaimed HBO series Big Little Lies. Around the same time, he captured hearts as the title character in CBS’s hit show Young Sheldon, showcasing his range and charm early on. That year was definitely a turning point, opening doors to even more exciting projects.
Not long after, he joined the cast of powerful films like The Glass Castle and I’m Not Here, further proving his talent beyond television. But before all the spotlight and red carpets, he had already begun building his acting career with smaller roles. One of his earliest gigs was a guest appearance on Law & Order: Special Victims Unit, a moment that marked the beginning of what would become a promising journey.
Behind his success is a supportive family. His parents, Lee Armitage and Euan Morton, have been part of his story from the start. Interestingly, his father, Euan, isn’t just a parent—he’s also a Tony Award-winning actor with experience on both stage and screen, which might explain the young star’s natural flair for performance. All in all, his rise has been impressive, and with each role, he continues to make his mark.
He’s absolutely passionate about theatre—like, truly obsessed—and you can often find him sharing his thoughts on Broadway shows through his YouTube channel, IainLovesTheatre. It’s pretty clear that theatre is his thing, and he dives into every review with genuine enthusiasm. Back in 2014, he even got the chance to shine on a national stage when he appeared on NBC’s Little Big Shots, where he showed off his impressive talents. Yeah, he’s been doing this for a while, and honestly, it’s kind of inspiring to see someone so dedicated. He really lives and breathes the world of theatre, and it shows in everything he does.