Offspring cast, including all of the TV shows Offspring actors and actresses with photos and actor bios (9 Items). This full list of the cast of Offspring covers Season 1 on, including all Offspring cast members. If you are wondering, "What are the Offspring actors' names?" or "Who starred on Offspring?" you can sort this alphabetical list by Offspring characters and their pictures. The list you're viewing is made up of different items like Kat Stewart and John Waters. Click any actor's name to read more information. This list includes the casts of all Offspring episodes.