Ringer cast, including all of the TV shows Ringer actors and actresses with photos and actor bios (1 Items). This full list of the cast of Ringer covers Season 1 on, including all Ringer cast members. If you are wondering, "What are the Ringer actors' names?" or "Who starred on Ringer?" you can sort this alphabetical list by Ringer characters and their pictures. List includes Tara Summers, Kristoffer Polaha and more. Click any actor's name to read more information. This list includes the casts of all Ringer episodes.