Clark gives into paranoid delusions brought on by exposure to new "silver" kryptonite, and Professor Fine is the only one who can save him... before he kills Lana.
Tom Welling
Clark Kent
Kristin Kreuk
Lana Lang
Erica Durance
Lois Lane
Michael Rosenbaum
Lex Luthor
Allison Mack
Chloe Sullivan
John Glover
Lionel Luthor
Annette O'Toole
Martha Kent
John Schneider
Jonathan Kent
James Marsters
Milton Fine
