Supernatural has chosen a genre mainstay as a guest star in the third episode of Season 7. Zap2It reports that Joss Whedon alumna Jewel Staite, who has appeared in Whedon's Firefly and Serenity as well as Stargate: Atlantis, will be playing the adult version of Amy, someone from Sam's past. When the two were 15, Amy saved Sam's life and tried to get him to run away with her. As an adult, she is now a mom who is very surprised to see Sam again.
Shooting on the episode began in Vancouver on July 8, with Jensen Ackles as director. It is expected to air on October 7.