Many notable figures have resided or reside in Castiglione and its comune. Among these are Golden Globe-winning actor Roger Moore,[9] Oscar-winning actress Sophia Loren,[10] Grammy-winning conductor Georg Solti,[10] film producer Carlo Ponti,[10] Formula One racing driver Alex Zanardi,[11] authors Italo Calvino,[12] Pietro Citati,[13] and Carlo Fruttero,[14] film director Giovanni Veronesi,[15] banker Siegmund G. Warburg,[16] and many others, including former Italian prime minister Romano Prodi,[17] also former President of the European Commission, and former King of Spain Juan Carlos I.[10]