Tom Welling Clark Kent Actor Michael Rosenbaum Lex Luthor Actor Kristin Kreuk Lana Lang Actor Sam Jones III Pete Ross Actor Allison Mack Chloe Sullivan Actor John Schneider Jonathan Kent Actor Annette O'Toole Martha Kent Actor Ryan Kelley Ryan James Guest Star Sarah-Jane Redmond Nell Potter Guest Star Martin Cummins Dr. Lawrence Garner Guest Star William B. Davis Mayor William 'Billy' Tate Guest Star Mitchell Kosterman Sheriff Ethan Miller Guest Star Mark Gibbon Deputy Guest Star Catherine Lough Haggquist Mary Guest Star Michael St. John Smith Dr. Thomas Burton Guest Star Sylvesta Stuart Orderly Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Terrence O'Hara Director Philip Levens Writer