While other shows seemed to have 2-4 cast members there for promotion, it appears Smallville only sent one. The lovely & friendly Erica Durance.
Upon leaving Ms. Durance (with her husband in tow) came over to the 2 of us waiting & signed a couple autographs each & did a photo with.
She thanked us for coming & was quickly on her way. Heres a couple pics I snapped of her as she departed.