John Mahoney was an American actor, best known for his role as Martin Crane on the popular television series Frasier. Born on June 20, 1940, in Brockton, Massachusetts, he had a successful career in both television and theater, earning acclaim for his performances. Mahoney's acting career began in the theater, where he was a member of the Steppenwolf Theatre Company. He received several awards for his work, including a Tony Award for Best Featured Actor in a Play. Mahoney passed away on February 4, 2018, leaving behind a legacy of memorable performances.