Guest Stars Stuart Milligan as Adam Klaus Nina Sosanya as Karen Blaine Jonathan Ross as Himself Lee Ingleby as Derek Spratley Hattie Hayridge as Lizzie Gillespie Cavan Clerkin as Sidney Australia Cliff Barry as Joe Wheeler Harry Peacock as Floyd Goodman John Bennett as Frank Geiger John Bird as D.I. Nathan Gallo Deni Francis as Researcher Stuart Muirs as Drunken Man