Season 9 of Smallville is piling on the guest appearances and classic characters.
Entertainment Weekly has let us know that Julian Sands has been cast to play the role of Jor-El and will show up in that role in a November episode.
Apparently he showed up on Earth when Zod and the other Kandorians popped in during that very last scene we witnessed in the season 8 finale of Smallville.
Finally, a face to the voice.
Source: Entertainment Weekly