Tom Welling Clark Kent Actor Allison Mack Chloe Sullivan Actor Erica Durance Lois Lane Actor Aaron Ashmore Jimmy Olsen Actor Justin Hartley Oliver Queen Actor Sam Witwer Davis Bloome Actor Cassidy Freeman Tess Mercer Actor Kristin Kreuk Lana Lang Guest Star Chris Gauthier Winslow Schott, Toyman Guest Star Kevin Miller Lex Luthor Guest Star Matt Adler Lex Luthor Guest Voice Chiara Zanni Nurse Guest Star Francis X. McCarthy Board Member 1 Guest Star Teryl Rothery Board Member 2 Guest Star Ray Galletti Board Member 3 Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Mike Rohl Director Holly Henderson Writer Don Whitehead Writer