Before Kelsey Grammer starred as Dr. Frasier Crane on the aptly-titled Frasier for 11 seasons, he shined as the character for eight seasons on Cheers, with both those shows, as well as the Frasier revival,

Kelsey Grammer has played Frasier on Cheers and the two different Frasier spin-off shows. But he's actually played the character elsewhere, too.

After more than a year of reconciling, the two former 'Cheers' co-stars finally reveal what started their 30-year feud.

The former "Cheers" star told the New York Post his estrangement began when he was "going through a lot of self-doubt; self-loathing,” and "drinking a lot."

Kelsey Grammer recently revealed to the New York Post the reason why he had a 30-year falling out with “Cheers” co-star Ted Danson. The two actors appeared on a podcast last October where Danson apologized to Grammer for an incident on the “Cheers” set that resulted in them not speaking for three decades.

Kelsey Grammer revealed what he thinks is the origin of his 30-year falling-out with "Cheers" co-star Ted Danson after reconciling last fall.