They may or may not. With so many more important characters that need screen time though, I'm not holding my breath for seeing anything of these minor characters. It would be fun if they did with someone like Remy though.
Sam ochotta went to pleasure island, so I thought he could be lucignolo (lampwick) from Pinocchio.
Louie should be the owner of the restaurant where Tiana works in princess and the frog.
Desk sergeant resembles Lawrence from princess and the frog.
I was convinced Remy was an important character until they quitted the production of the show.