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 James Kirk Garrett Davis Guest Star Tahmoh Penikett Vince Davis Guest Star Françoise Yip Dr. Lia Teng Guest Star Camille Mitchell Sheriff Nancy Adams Guest Star Jerry Wasserman Dr. Yaeger Scanlan Guest Star Julian Christopher Dr. MacIntyre Guest Star Sandra Ferens Morgue Doctor Guest Star Bruce Harwood Ben Powell Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Terrence O'Hara Director Todd Slavkin Writer Darren Swimmer Writer