Things You Didn't Know about The Simpsons

123)

Most of the main cast of Cheers (1982) has appeared on this show. Most notably, Kelsey Grammer as Sideshow Bob.

In an episode where Homer was kicked out of Moe's Tavern, he seeks a new bar, and walks into Cheers. This is where the other Cheers (1982) cast members voice their old characters.

However, Kelsey Grammer's character of Frasier does not speak.