Season 4 (Smallville)

The forth season of premiered on September 22, 2004, on The WB and concluded on May 18, 2005. The season consisted of 22 total episodes during its run.

Main Cast

 * Tom Welling as Clark Kent (Kal-El)
 * Kristin Kreuk as Lana Lang
 * Michael Rosenbaum as Lex Luthor
 * Allison Mack as Chloe Sullivan
 * Annette O'Toole as Martha Kent
 * John Schneider as Jonathan Kent
 * John Glover as Lionel Luthor