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 Erica Durance Lois Lane Actor Carrie Fisher Pauline Kahn Guest Star James Marsters Milton Fine Guest Star Brooke Nevin Buffy Sanders Guest Star Erica Cerra Sorority Girl Guest Star Angelika Baran Courtney Guest Star Luciana Carro Karen Guest Star Kaare Anderson Ramirez Guest Star Sebastian Stewart Delivery Boy Guest Star Richard Kahan Bitterman Guest Star Cory Monteith Frat Cowboy Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Steven S. DeKnight Writer Jeannot Szwarc Director