A New Position for Roz - S10-E24
Continuity mistake: When Niles and Daphne are at Cafe Nervosa, the empty coffee cup on their table changes position frequently between shots.
A New Position for Roz - S10-E24
Continuity mistake: After giving his speech at dinner, Gil gulps down his glass of wine. In the next shot the glass is suddenly half full again.
A New Position for Roz - S10-E24
Continuity mistake: When Bulldog is finishing his speech at the party, Julia looks at Roz. The angle changes and Julia has suddenly turned 180 degrees.
A New Position for Roz - S10-E24
Continuity mistake: When Niles and Daphne are babysitting Alice, a pink feather from Daphne's boa keeps vanishing and reappearing on the side of her chair.
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.