 Gough and Millar had five months for casting, but their primary focus was on finding an actor to play Clark Kent.They received Kristin Kreuk's audition tape for the role of Lana Lang and liked it so much that they immediately showed her to the network.Tom Welling, after twice turning down the producers' attempts to get him to audition for the role of Clark Kent, eventually accepted the opportunity to be part of the show.