I feel like if a film is well-written, then the character's arc is complete. There really is very little room to expand on that afterwards.
“One day, we were doing a serious scene and fast talking like we do and we could not stop laughing and the director had to stop the production. We had to go to our trailer and calm down and do it all again.”
“I'm really confident. I had a perfect childhood. I had perfect parents and grandparents. They just love me, simply. So I have no fears.”