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 Helen Slater Lara-El Guest Star Christopher Heyerdahl Zor-El Guest Star Kim Coates Special Agent Carter Guest Star Heather Doerksen Isis Receptionist Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer James L. Conway Director Don Whitehead Writer Holly Henderson Writer