Superhero movie fans will recognize Shawn Ashmore immediately for his role as Iceman in the X-Men film series, appearing in the original X-Men movie (2000), X2: X-Men United (2003), X-Men: The Last Stand (2006), and X-Men: Days of Future Past (2014). He has also appeared in horror films like The Ruins (2008), thrillers like Frozen (2010), and sci-fi adventures like The Colony (2013). Ashmore also starred in the video game Quantum Break (2016), blending interactive media with live-action storytelling. On television, he is recognized for lead roles in The Following, The Rookie, and for his appearance as Lamplighter in The Boys Season 2. He returned to the horror genre with his latest film, It Feeds (2025).