Christopher Haden-Guest , 5th Baron Haden-Guest ( born February 5 , 1948 ) , better known as Christopher Guest , is an English-American screenwriter , composer , musician , director , actor , and comedian who holds dual British and American citizenship .
Christopher Haden-Guest , 5th Baron Haden-Guest ( born February 5 , 1948 ) , better known as Christopher Guest , is an English-American screenwriter , composer , musician , movie producer and director , movie , television , stage , and voice actor , and comedian .