Beginning in season 4 of "Smallville," Clark Kent (Tom Welling ... He added they might have cast a different "Buffy The Vampire Slayer" alum, perhaps even a woman. (Picture Sarah Michelle Gellar ...

Be warned, however, if you haven't seen the episodes yet, this article contains SPOILERS for both season 4, episode 1 and ...

Back in 2021, Smallville star Tom Welling revealed that ... and use as many of the original cast members as possible," said the actor in his message. "Don't tell anybody, though.