John Mahoney (20 June 1940) is an English-born American actor. He started his career on the stage in 1977, moving into film in 1980. He played Martin Crane in the American sitcom Frasier on NBC from its inception in 1993 until the final episode in 2004. He has also worked as a voice actor, and performed on Broadway and in Chicago theatre.
Along with on-screen son, David Hyde Pierce, John is godfather to Frasier co-star Jane Leeves's son, Finn