Benjamin Thomas Barnes (born 20 August 1981) is an English actor and singer. He is best known for his roles as Prince Caspian in The Chronicles of Narnia film series (2008–2010), Logan Delos in the HBO science fiction series Westworld (2016–2020), Billy Russo/Jigsaw in the Marvel series The Punisher (2017–2019), The Darkling in the Netflix series Shadow and Bone (2021–2023), and Tim Jamieson in the MGM+ supernatural series The Institute (2025). He also played young Dunstan Thorn in Stardust (2007), the title role in Dorian Gray (2009), Neil McCormick in Killing Bono (2011), Alejandro in The Big Wedding (2013), Tom Ward in Seventh Son (2014), Samuel Adams in Sons of Liberty (2015) and Benjamin Greene in Gold Digger (2019). Also known for his contributions to the soundtracks of films in which he appeared, Barnes released his debut single "11:11" in September 2021. This preceded the release of his debut extended play, Songs For You. His debut album, Where The Light Gets In, was released on January 10, 2025.