From Where to Eternity - S2-E9
Other mistake: When Tony comes into the bedroom to see Carmella after he and Pussy kill Matthew, the bedroom door seems to be on the wrong side of the room. (00:49:48)
Mr. Ruggerio's Neighborhood - S3-E1
Revealing mistake: Right before the FBI vehicle pulls out behind Carmela, you see the traffic stop on cue, so they can get right behind her. (00:07:37)
Irregular Around the Margins - S5-E5
Continuity mistake: Adriana was wearing a red blouse at the Crazy Horse, and in the car with Tony during the accident. When Christopher picks her up from hospital, she is wearing a gray Fila sweatsuit jacket. It's funny she is wearing something different because the next morning at the hospital, Tony is wearing the same shirt he had on during the accident. (00:23:57 - 00:29:04)
Irregular Around the Margins - S5-E5
Other mistake: The Soprano crew takes Christopher out to a cornfield to talk some sense into him or whack him. It's raining and the ground is wet but only Tony B is getting wet. (00:41:18)
Answer: Yup, just like Nicholas Lea was chosen to play Alex Krycek on the X-files after showing up on 1 episode as a different character.
Grumpy Scot