Unforgettable cast, including all of the TV shows Unforgettable actors and actresses with photos and actor bios (0 Items). This full list of the cast of Unforgettable covers Season 1 on, including all Unforgettable cast members. If you are wondering, "What are the Unforgettable actors' names?" or "Who starred on Unforgettable?" you can sort this alphabetical list by Unforgettable characters and their pictures. List is made up of a variety of items, including Poppy Montgomery and Kevin Rankin. Click any actor's name to read more information. This list includes the casts of all Unforgettable episodes.