Harry Harper is a fictional character from the BBC One medical drama Casualty, portrayed by actor Simon MacCorkindale. He made his first appearance in the series sixteen episode "Denial", broadcast on 8 June 2002. He ran Holby City Hospital's emergency department for five years, before being elected as a Member of Parliament. His final appearance was in the series twenty-two episode "Thicker Than Water", broadcast on 8 March 2008. MacCorkindale was diagnosed with bowel cancer in 2006, and departed from Casualty after the disease spread to his lungs. He died on 14 October 2010, at the age of 58.