Barry Sloane (born Barry Paul Sloan; 10 February 1981) is an English actor. He has appeared in numerous television shows, and in the BAFTA Award-winning television films Pleasureland and The Mark of Cain. In 2006, Sloane made his West End debut in Willy Russell's Blood Brothers. In December 2007, he began playing serial killer Niall Rafferty in Channel 4's Hollyoaks, which earned him three award nominations.
In 2010, Sloane appeared in the ITV crime series DCI Banks and later that year, he also played Kieran Callaghan in the BBC One serial medical drama Holby City. In July 2012, Sloane was cast as Aiden Mathis in the ABC drama series Revenge. In February 2014, he joined the cast of ABC's science fiction drama series The Whispers.