The closing credits of The World is Still Beautiful give their cast credits with pictures of each character, as they appear in that episode, along with the voice actor's name. (At least I am assuming that is what the text says.) For example, from episode 11:
This seems like an extremely good way to give credit, just as do many movies and live action TV shows. But it struck me that I don't remember any other anime series doing it. Have other series done so?