Add filters to casting suggestions, whether it's for one's own or for a specific actor. One of these filters could allow one can see all the roles one has cast a specific actor for. For example, someone could see all the times they cast Robert Pattinson. Maybe on his profile, there could be a filter that allows one to see one's own suggestions rather than all of them. That's one I'm specifically interested in, but there could definitely be more ideas for casting filters