Unnatural Acts cast, including all of the TV shows Unnatural Acts actors and actresses with photos and actor bios (5 Items). This full list of the cast of Unnatural Acts covers Season 1 on, including all Unnatural Acts cast members. If you are wondering, "What are the Unnatural Acts actors' names?" or "Who starred on Unnatural Acts?" you can sort this alphabetical list by Unnatural Acts characters and their pictures. List ranges from Julian Barratt to Jessica Hynes, plus much more. Click any actor's name to read more information. This list includes the casts of all Unnatural Acts episodes.