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 Malcolm Stewart Dr. Otis Ford Guest Star Jerry Wasserman Dr. Yaeger Scanlan Guest Star Samantha Ferris Warden Anita Stone Guest Star Dave "Squatch" Ward LuthorCorp Worker Guest Star Wendy Chmelauskas Laura Lang Guest Star Ben Odberg Lewis Lang Guest Star Lindsay Bourne Moira Sullivan Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Kelly Souders Writer Brian Wayne Peterson Writer David Carson Director