Tom Welling Clark Kent Actor Kristin Kreuk Lana Lang Actor Michael Rosenbaum Lex Luthor Actor Sam Jones III Pete Ross Actor Allison Mack Chloe Sullivan Actor John Schneider Jonathan Kent Actor Annette O'Toole Martha Kent Actor John Glover Lionel Luthor Actor Ian Somerhalder Adam Knight Guest Star Camille Mitchell Sheriff Nancy Adams Guest Star Françoise Yip Dr. Lia Teng Guest Star Ryan Merriman Jason Dante Guest Star Moneca Delain Mara Guest Star Colin Corrigan Dante's Mechanic Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Jeannot Szwarc Director Todd Slavkin Writer Darren Swimmer Writer