Kelsey Grammer Tears Up Over 'Frasier' Paying Tribute to John Mahoney; 'I loved him madly'

Rewind: "Frasier" stars John Mahoney & Jane Leeves - 1995 on-set interview

John Mahoney: The Brit From Chicago

John Mahoney, 'Frasier' star, dies at 77

Burger Queen 1981 Commercial - Chicken Why? featuring John Mahoney

Frasier's dad YOUNGER than you thought!!!

Frasier's Dad In Cheers