Chris and Liam Hemsworth

Al Jean, executive producer of "The Simpsons", says Chris and Liam Hemsworth turned down cameos on the show. In an interview to News Corp, the 57-year-old also said that actor Hugh Jackman also refused to do the show, reports dailymail.co.uk. "We tried to get the Hemsworth brothers but they passed. We wrote a part for them, but they said no," Jean said.