That explains it!  I didn't particularly like the first movie, so I didn't waste my time watching any of the other ones.  I thought Carrie Fisher was only in the one movie. Apparently not.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi