Smallville's nest season will be its last, but it also made a couple of other surprising casting announcements. Chloe is gone, and Tess Mercer is back. She got better.The CW has announced that
The CW press release lists Tom Welling, Erica Durance, Justin Hartley and Cassidy Freeman as the four series regulars for season 10. Cassidy certainly is a surprise, as Tess Mercer was pretty clearly dead at the end of season 9, but the mysterious knitting Granny in the hall who slipped into her hospital room must have delivered her some Goodness to help her recover from that dreaded 24 death that's going around.
According to Entertainment Weekly, Allison Mack will not be a series regular for season 10, though she will return to wrap up Chloe's storyline.