Richard Ian Porterfield Short is an English actor based in Los Angeles. He is starring in the 2017 TV drama series Mary Kills People. In 2017 he appeared in the independent film The Dare and in 2016 Crazy Famous. On television he has had recurring roles on Vinyl and Covert Affairs and has appeared on American Horror Story, White Collar, and Blue Bloods. Short has appeared in more than 30 films and television shows in the US and UK. On Broadway, he was a member of the 2011 company of Jez Butterworth's Jerusalem at the Music Box Theatre.

Jerusalem (2009) is a play by Jez Butterworth; it opened in the Jerwood Theatre of the Royal Court Theatre in London. The production starred Mark Rylance as Johnny "Rooster" Byron and Mackenzie Crook as Ginger. After receiving rave reviews, its run was extended. In January 2010 it was transferred to the Apollo Theatre; it played on Broadway in the summer of 2011.