John Mahoney was an English-American actor.

Mahoney started his career on the stage in 1977 and moved into film in 1980.

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.

Mahoney's first major film role was in the 1987 film Tin Men. He went on to have prominent roles in a number of acclaimed films throughout the late 1980s and 1990s, including Moonstruck, Eight Men Out, Say Anything..., In the Line of Fire, Reality Bites, and The American President. He appeared in two Coen brothers films, Barton Fink, and The Hudsucker Proxy.

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.

Mahoney died February 4, 2018, in Chicago, Illinois. He was 77.