Tom Welling Clark Kent Actor Kristin Kreuk Lana Lang Actor Michael Rosenbaum Lex Luthor Actor Allison Mack Chloe Sullivan Actor John Glover Lionel Luthor Actor Erica Durance Lois Lane Actor Laura Vandervoort Kara Kent Actor Aaron Ashmore Jimmy Olsen Actor Michael Cassidy Grant Gabriel Guest Star James Marsters Brainiac Guest Star Phil Morris John Jones Guest Star Robert Picardo Edward Teague Guest Star Helen Slater Lara-El Guest Star Kim Coates Special Agent Carter Guest Star Terence Stamp Jor-El Guest Voice Ari Cohen Regan Matthews Guest Star Connor Stanhope Young Lex Luthor Guest Star Elyse Levesque Casey Brock Guest Star Jason Poulsen Colin Guest Star Anna Galvin Gina Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Mike Rohl Director Whitney Ransick Director Todd Slavkin Director, Writer James L. Conway Director Glen Winter Director James Marshall Director Ken Horton Director Charles Beeson Director Ken Biller Director Don Whitehead Writer Brian Wayne Peterson Writer Caroline Dries Writer Holly Harold Writer Holly Henderson Writer Kelly Souders Writer Darren Swimmer Writer Todd Helbing Writer