Cassidy Freeman, "Tess," shows us around the city of Metropolis, and remembers her favorite scenes in the Luthor mansion. Catch Smallville on Fridays 8/7c! Smallville Video: Watch Smallville full episodes, previews, clips, interviews and more video. Smallville starring Tom Welling as Clark Kent and Erica Durance as Lois Lane is a modern retelling of the Superman legend and its classic characters continue to blend realism, action and emotional depth to reveal a new interpretation of the enduring mythology.