John Mahoney Died Feb 5, 2018 21:42:19 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Robert Lotti on Feb 5, 2018 21:42:19 GMT -5 He played the role of Kelsey Grammar's father on Frasier, John passed away on February 4th at 77 years old. May he rest in peace.