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 Jane Seymour Genevieve Teague Guest Star Erica Durance Lois Lane Guest Star Nolan Gerard Funk Zack Greenfield Guest Star Diego Klattenhoff Josh Greenfield Guest Star Alvin Sanders Dr. Klein Guest Star Alex Green Store owner Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer James Marshall Director Luke Schelhaas Writer