Cultural influence of Gilbert and Sullivan "Topsy-Turvy" (1999) is an award-winning film depiction of the team and the creation of their most popular opera, "The Mikado". Another G&S film is the 1953 "The Story of Gilbert and Sullivan" (or "The Great Gilbert and Sullivan" in the U.S.), starring Robert Morley as Gilbert and Maurice Evans as Sullivan, with Martyn Green as George Grossmith. In a short 1950 film called "The Return of Gilbert and Sullivan", Gilbert and Sullivan return to Earth to protest the jazz treatment of their work. In the 1951 film "The Magic Box" Sir Arthur Sullivan, played by the film conductor, Muir Mathieson,
National Gilbert & Sullivan Opera Company music directors for the company. In 2014, the festival registered the company with Companies House as the National Gilbert & Sullivan Opera Company. The company's performances are accompanied by the festival's National Festival Orchestra. It generally presents four productions each year at the festival, and the festival sells videos of most of its productions. In 2018, in connection with the 25th anniversary of the International G&S Festival, the company is presenting six productions in Harrogate, Buxton and on tour. Uniquely among professional companies in Britain, other than D'Oyly Carte, the National Gilbert & Sullivan Opera Company has presented all 13