Richard Ian Porterfield Short (born 8 October 1975) is an English actor based in Los Angeles. He is starring in the 2016 TV drama series Mary Kills People. In 2015 appeared in the independent films A New York Love Story, Cockroaches, and The Butterflies of Bill Baker. 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 USA and UK. On Broadway, he was a member of the 2011 company of Jez Butterworth's Jerusalem at the Music Box Theatre.
He began acting with the Woking Youth Theatre in Woking, Surrey in 1992, and made his professional stage debut in the original UK cast of Grease in 1996. His first American film was Delirious, directed by Tom DiCillo, in 2007. That same year also saw Short make his American TV debut on Law & Order: Criminal Intent. In 2009, he appeared in the big-budget crime drama Public Enemies, directed by Michael Mann. Short also appeared opposite Kevin Pollak in the 2011 film Choose and the HBO series Bored to Death with Jason Schwartzman.