Charles John Mahoney (June 20, 1940 – February 4, 2018) was an English-American actor. He played retired police officer Martin Crane on the NBC sitcom Frasier from 1993 to 2004, receiving nominations for two Golden Globe Awards and two Primetime Emmy Awards.

After moving from England to the United States, Mahoney began his career in Chicago as a member of the Steppenwolf Theatre Company. He earned the Tony Award for Best Featured Actor in a Play for his performance in the 1986 Broadway revival of John Guare's The House of Blue Leaves, and went on to achieve wider recognition for his roles in the films Suspect and Moonstruck (both 1987). Other notable credits included Tin Men (1987), Frantic, Eight Men Out (both 1988), Say Anything... (1989), Barton Fink (1991), Striking Distance, In the Line of Fire (both 1993), Reality Bites (1994), The American President (1995), Primal Fear (1996), and The Broken Hearts Club (2000). He also voiced roles in animated films such as Antz (1998), The Iron Giant (1999), and Atlantis: The Lost Empire (2001).

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