Milo Callaghan (born in late 1998 or early 1999) is a British actor from Holyhead. A graduate of the University of Cambridge, he began his career in the Cambridge Footlights before making his television debut as Henry Stafford in the series The Spanish Princess (2020), later appearing in Catastrophe, Doctor Who, Rivals, Dune: Prophecy and Video Nasty. He gained widespread recognition in 2025 when he played the lead role of Rudy Baylor in the USA Network legal drama The Rainmaker.