 Other recurring themes include Niles's relationship with his never-seen wife (later ex-wife) Maris, Frasier's search for love, Martin's new life after retirement, and the various attempts by the two brothers to gain acceptance into le tout Seattle.The main cast remained unchanged for all 11 years.When the series ended in 2004, Grammer had portrayed the character of Frasier Crane for a total of 20 years, including his nine seasons on "Cheers" plus a one time performance as the character on the series "Wings" which earned Grammer an Emmy nomination; at the time, he tied James Arness' portrayal of Matt Dillon on "Gunsmoke" for the longest-running character on primetime television.