Rainbow Brite cast, including all of the TV shows Rainbow Brite actors and actresses with photos and actor bios (6 Items). This full list of the cast of Rainbow Brite covers Season 1 on, including all Rainbow Brite cast members. If you are wondering, "What are the Rainbow Brite actors' names?" or "Who starred on Rainbow Brite?" you can sort this alphabetical list by Rainbow Brite characters and their pictures. Items here include everything from Mona Marshall to David Mendenhall. Click any actor's name to read more information. This list includes the casts of all Rainbow Brite episodes.