Tom Welling Clark Kent Actor Kristin Kreuk Lana Lang Actor Michael Rosenbaum Lex Luthor Actor Allison Mack Chloe Sullivan Actor John Schneider Jonathan Kent Actor Annette O'Toole Martha Kent Actor John Glover Lionel Luthor Actor Jensen Ackles Jason Teague Actor Erica Durance Lois Lane Guest Star William S. Taylor Mr. Jacobson Guest Star Mark Acheson Magistrate Wilkins Guest Star Lara Gilchrist Madelyn Hibbins Guest Star Melanie Papalia Brianna Withridge Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Jeannot Szwarc Director Steven S. DeKnight Writer