Milo Callaghan (born late 1998 or early 1999) is a British actor and University of Cambridge alumnus who began his career in the Cambridge Footlights before making his television debut as Henry Stafford in The Spanish Princess (2020), later appearing in Casualty, Doctor Who, Rivals, Dune: Prophecy, and Video Nasty. He gained wider recognition in 2025 when he starred as Rudy Baylor, the lead character in USA Network’s legal drama series The Rainmaker.