Continuity mistake: After Frasier puts his cherry glass on the table, the amount in the glass changes several times before he picks it up again. (00:09:50)
Continuity mistake: Kenny enters the booth, and Dr. Nora's purse is on the edge of the desk. Immediately in the next shot it's gone. Then it's back. When Kenny leaves it's gone again. (00:10:25)
Continuity mistake: In the scene where Frasier, Martin, and Niles are in the kitchen putting candles on Freddie's birthday cake, you first see the Louis Pasteur cake facing Frasier. The camera pans out and then back in. When it does, the cake has turned around. The camera pans back once more, and the cake is back to its original position.
Roz, a Loan - S6-E9
Continuity mistake: The bag of beauty products changes, one with a logo and one without.
Answer: It equals the record of James Arness of "Gunsmoke" for the actor who's played the same part on TV NOT in a soap opera. If you include soaps there are two main contenders - William Roache, who's been playing Ken Barlow in "Coronation Street" in the UK since 1960. Don Hastings has been playing Robert Hughes in US soap "As the World Turns" since 1960 as well.