All you ever wanted to know about Extras (people not the show)

Here’s an EXTRA Friday Question:

It’s from RichD.


So the recent mention of WINGS here inspired me to revisit the series on Netflix. While making my way through the first seasons I again noticed the older red-haired woman who worked at Roy's counter, which got me to wonder about the background performers who are the extra-equivalent of series regulars on various shows.



I would