John Mahoney (77), an English-American actor of stage, film and television, has passed away in Chicago, United States on February 4, 2018. He was best known for playing the blue-collar patriarch Martin Crane in the American sitcom Frasier, which aired on NBC from 1993 to 2004. In addition to his film and television work, Mahoney also worked as a voice actor and was particularly passionate about his stage work on Broadway and in Chicago theatre. He was born in UK but he got US citizenship in 1959.