Whine Club - S7-E17
Continuity mistake: When the gang are at Frasier's apartment for a brunch to get to know Mel, Roz is having a Bloody Mary. In one shot she lifts her glass right to her lips, but in the next shot she is lifting it up to her lips again.
Whine Club - S7-E17
Continuity mistake: During the scene in Frasier's apartment when he's holding a brunch for Mel, Daphne says "it was implied" and suddenly the pitcher of Bloody Marys in front of her has much more in it that it had in the shot before.
Whine Club - S7-E17
Continuity mistake: When Niles and Mel are in his dressing room, Mel puts Niles' jacket on the table in the center. A couple of shots later, the jacket changes position, even though neither of them touched it.
Whine Club - S7-E17
Continuity mistake: During the opening credits, Martin and Claire are sitting in Cafe Nervosa, talking. Claire has her left hand and arm crossed over in front of her but when the shot changes and Marty says "you don't think he was watching", her hand and arm are suddenly extended towards him, without time for this to have happened.
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.