What actors and actresses appeared in The New Partridge Family - 2005?

There was no "The New Partridge Family" movie or TV show released in 2005. The original "The Partridge Family" TV series aired from 1970 to 1974. There was a short-lived sequel series called "The Partridge Family 2200 A.D." which aired in 1977.

It's possible you're thinking of a different show or movie, or perhaps you're remembering a fictional concept or fan-made project. If you can provide more information about what you're looking for, I might be able to help you further!