Frasier

[Carolina]

Why do they somtimes show some pictures at the end of Fraier (that woman from X files is sometimes included)? Do they have any relation to the show? 

[Shatnerfan]

I believe these photos are those celebrities who have featured in voice only (as Frasier's callers.)

[galltin]

Yes they're shown at the end of the last episode in each series.

[madgeezer]

they do the character voices to some of the callers at the radio station