Richard Rosson is a British balloon artist, retired contortionist, actor and yoga teacher . He has appeared on a variety of television shows, including Channel 4 News, The Richard and Judy Show, and the Saturday morning children's show Dick and Dom in Da Bungalow. Rosson has also appeared in features in The Daily Mail, The Guardian, and TNT magazine, among others. Rosson has appeared in adverts and trailers for various products. In early 2006, Rosson acted as stunt double in a Walker's Crisps advert for ex-England footballer and BBC presenter Gary Lineker. He also shot scenes as Avery the Death Eater for the blockbuster movie Harry Potter and the Goblet of Fire.